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Прямая на плоскости. Ч. I (90
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11
24.A(1; −1);
25.A(1; −1);
26.A(1; −1);
27.A(−1; 2);
28.A(−1; 2);
29.A(−1; 2);
30.A(−2; 1);
B(2; −3); O 83 ; −1 ;
B(−3; 2); O 5 ; 8 ; 3 3
13 ; 2 B(3; 8); O − 3 3 ;
B(2; −3); O 10 ; 7 ; 3 3
2 ; 2
B(−3; 2); O −3 3 ; B(−3; 2); O(1; 0); B(1; −1); O 1; 53 :
Z DANIE 9
A1x + B1y + C1 = 0 STORONY TREUGOLXNIKA I URAWNENIQ A2x+B2y+C2 = 0; A3x+B3y+C3 = 0 MEDIAN, WYHODQ]IH IZ WER[IN TREUGOLXNIKA, LEVA]IH NA DANNOJ STORONE. SOSTAWITX URAWNENIQ DWUH DRUGIH STORON TREUGOLXNIKA:
1. 2 |
− 5 |
− 2 = 0 x − y − 1 = 0; 2x + 7y − 26 = 0; |
2. 4 |
− 3 |
− 1 = 0; 7x − 2y − 5 = 0; 3x + y − 17 = 0; |
3.3x + 2y = 0; 6x + y − 9 = 0; 3x + 5y − 18 = 0;
4.− 2y + 12 = 0; 7x + 4y + 12 = 0; 5x − y − 3 = 0;
5.− y + 3 = 0; 5x − 3y + 13 = 0; 7x − 9y + 31 = 0;
6. − 3 |
+ 11 = 0 |
x + 7y − 39 = 0; |
7x − 11y + 47 = 0; |
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7. x − 3 |
+ 11 = 0; |
7x + 3y − 43 = 0; 13x − 15y + 71 = 0; |
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8. 3 − − 7 = 0; 6x − y − 19 = 0; 15x − 7y − 7 = 0; |
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9. 8x − y − 41 = 0; |
13x + y − 64 = 0; 11x − 4y − 38 = 0; |
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10. |
3 |
+ 4y − |
1 = 0; |
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14x + |
11y − 43 = 0; 4x + 13y − 9 = 0; |
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11. |
2 |
+ − |
3 |
= 0; |
2x + 3y − 5 = 0; |
10x + 3y − 29 = 0; |
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12. |
2 |
+ y − |
17 = 0; |
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3x − 8y − 16 = 0; 15x + 17y − 80 = 0; |
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13. |
5x + 7y − |
18 = 0; |
3x + |
10y − 34 = 0; 12x + 11y − 49 = 0; |
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14. |
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− 5 − |
7 |
= 0 |
4 |
− 9 |
− 6 = 0; |
x + 6y − 7 = 0; |
15.− 4 + 5 = 0; 2x − 3y + 10 = 0; x + 6y − 15 = 0:
16.x − 6y + 26 = 0; y = 4; 3x − 2y − 2 = 0;
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17. |
5x + 17y + 29 = |
0; |
y = |
3; x + y + 1 = 0; |
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18. |
13x − y − 64 |
= |
0; |
8 − |
3 − 6 = 0; 5x + 2y − 27 = 0; |
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19. |
3 |
+ 16 |
− 40 |
= |
0 |
+ |
7y − 20 = 0; 2x + 9y − 25 = 0; |
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20. |
8 |
− 11 |
+ 37 |
= |
0 |
x − y + 2 |
= 0; |
4x − 7y + 17 = 0; |
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21. |
9 |
+ 10 |
− 52 |
= |
0 |
4x + 5y − 22 = 0; x + y − 5 = 0; |
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22. |
3 |
+ 10y − 11 |
= |
0; |
y = |
2; 3x + 5y − 16 = 0; |
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23. |
3 |
− 4 |
− 32 |
= |
0 |
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+ 2 |
− 4 |
= 0 |
2 − y − 13 = 0; |
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24. |
5 |
+ 6 |
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− 12 |
= |
0 |
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x + 3y − 6 |
= 0; |
4x + 3y − 15 = 0; |
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25. |
6 |
+ 7 |
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+ 43 |
= |
0; |
3x + |
2y + 11 = 0; y = −1; |
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26. |
5 |
+ 8 |
+ 5 = 0; |
x + 4y + 1 = 0; |
x + y − 2 = 0; |
27.9x + 7y − 82 = 0; 2x + y − 21 = 0; x + 3y − 18 = 0;
28.13x − 9y − 62 = 0; 3x − 2y − 14 = 0; 7x − 5y − 32 = 0;
29.x + y − 7 = 0; x + 4y − 25 = 0; 7x + 4y − 55 = 0;
30.2x − y − 3 = 0; x − 2y = 0; x = 4:
ZADANIE 10
DANO UR WNENIE A1x + B1y + C1 = 0 STORONY TREUGOLXNIKA, URAWNENIE A2x + B2y + C2 = 0 MEDIANY, WYHODQ]EJ IZ WER[INY,
LEVA]EJ NA DANNOJ STORONE, I URAWNENIE |
A3x + B3y + C3 = 0 MEDI- |
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ANY, WYHODQ]EJ IZ WER[INY, NE LEVA]EJ NA DANNOJ STORONE. NAJTI |
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URAWNENIQ DWUH DRUGIH STORON TREUGOLXNIKA: |
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1. 13x − 9y + 5 = 0 |
7 − 8 + 9 = 0 |
11x + 5y − 103 = 0; |
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2. 2 |
− 5 |
− 11 = 0; 3x − 4y − 6 = 0 |
6x − y − 19 = 0; |
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3. 3 |
+ 7 |
− 2 = 0 |
− 11y + 26 = 0; |
11x − y + 6 = 0; |
4. 5x + 4y − 1 = 0; x + 2y − 5 = 0; x = 1;
5. 10x − 3y − 71 = 0; 8x − 13y − 25 = 0 14x + 17y − 57 = 0;
6.− 11y + 42 = 0; 5x − 19y + 102 = 0; 7x − 5y + 42 = 0;
7. + 3 − 16 = 0 |
9x − 13y + 56 = 0; 27x + y + 88 = 0; |
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8. x + 2y − 19 = 0; x − 8y + 41 = 0; 11x + 2 − 59 = 0; |
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9. 5x + 9y + 21 = 0 |
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+ 13y − 7 = 0; |
13x + y + 21 = 0; |
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10. |
5 |
− |
7y + 8 |
= 0 |
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x − 3y + 8 = 0; 3x − y = 0; |
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11. |
9x + |
− 61 |
= 0; |
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13x + 3y − 99 = 0; x − 3y + 1 = 0; |
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12. x + 2y + 1 = 0; |
x − y − 8 = 0; x = 7; |
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13. |
5 |
+ |
8 + 1 |
= 0; |
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x + 12 − |
31 = 0; |
x = −1; |
14. |
5 |
+ |
8y + 31 = 0; |
x − 4y − |
5 = 0; |
x = 1; |
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15. |
3x + |
10y − 71 = 0; 13x + 16y − 89 = 0; 17x + 2y − 47 = 0; |
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16. 3x − 2y − 7 |
= 0 |
x − 3y + 7 = 0; |
2x + y − 7 = 0; |
17. x − 6 + 22 |
= 0; |
2x + 5y − 7 = 0 |
3x − − 2 = 0; |
18.3x − y − 5 = 0; 7x + 2y − 29 = 0; x + 4y + 7 = 0;
19.y = 2; x + 3y − 9 = 0; x − 2y + 6 = 0;
20.3x − 5y − 7 = 0; 5x − 3y − 17 = 0; x + y + 3 = 0;
21. |
− − 3 |
= 0 |
y = 1; x = 6; |
7x + 3y − 43 = 0; |
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22. x − y + 1 |
= 0; |
2x + 3y − 18 |
= 0; |
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23. |
2 + y − 11 = 0; |
5x − y − 24 = 0; |
4x − 5y − 29 |
= 0; |
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24. |
3x − 2y − 19 = 0; |
4x − 5y − 37 = 0; x + 4y + 3 |
= 0; |
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25. x + y − 3 |
= 0; |
7 |
+ 6y − 15 |
= 0; |
4x + 3y − 8 = 0; |
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26. |
2x − y + 9 = 0; |
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− y + 4 = 0; y = 3; |
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27. |
+ y − 2 |
= 0; |
7 |
+ 3 + 10 |
= 0; |
= −2; |
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28.− 2 + 7 = 0; x + 2y − 5 = 0; 3x + 2y − 11 = 0;
29. x − 3y + 10 |
= 0 |
x + 8y − 23 |
= 0 |
5x + 7y − 38 = 0; |
30. 5x − 2y + 6 |
= 0; |
3x − 2y + 2 |
= 0; |
x − 2y + 6 = 0: |
ZADANIE 11
DANY URAWNENIQ A1x + B1y + C1 = 0; A2x + B2y + C2 = 0 DWUH STORON TREUGOLXNIKA I URAWNENIE A3x + B3y + C3 = 0 ODNOJ IZ EGO MEDIAN. SOSTAWITX URAWNENIE TRETXEJ STORONY TREUGOLXNIKA, ZNAQ,
ˆTO NA NEJ LEVIT TOˆKA M(x0 ; y0) : |
+ 5 − 28 |
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1. |
x − 3 |
+ |
20 |
= 0; |
x + y − 4 = 0; |
= 0 |
(3 5); |
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2. |
5 |
− y − |
2 = 0; |
x − y − 6 = 0; |
9x − 5y − 26 |
= 0; |
M(4; 2); |
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3. 2x + 5y −20 = 0; 5x + 4y + 1 = 0; 7x + 9y −19 = 0; M(4;−1); |
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4. Mx+ 11y − 52 = 0; 5x + y + 10 = 0; 11x + 13y − 32 = 0; |
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7 |
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1 |
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5. x+ y−11 = |
0; x−4y+ 34 = 0; 9x+ 19y−189 = 0; |
M |
2 2 |
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23 ; 9 |
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6. |
x − 3 |
+ |
21 |
= 0; |
x + y − 7 = 0; |
+ 5 − 35 |
= 0; |
M(5; 6); |
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7. |
5 |
− |
+ |
6 = 0; |
x − y − 2 = 0; |
9x − 5y − 2 = 0; M(3; 5); |
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8. |
5 |
− y + |
25 |
= 0 |
− y + 5 = 0; |
9x − 5y + 45 = 0; |
M(0; 9); |
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9.2x + 5y − 1 = 0; x − 6y + 25 = 0; x + 11y − 26 = 0; M(4; 2);
10.3x + 5y = 0; 7x + 3y = 0; 2x − y = 0; M(−1; −2);
11.x − 3y + 4 = 0; x + y = 0; x + 5y − 4 = 0; M(4; 0);
12.2x + 5y − 1 = 0; x − 3y + 16 = 0; y = 3; M(4; 3);
![](/html/65386/468/html_7D8YR26wXV.lH2N/htmlconvd-8LobPi14x1.jpg)
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13. |
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+ y − 4 = 0; x − 9 + 66 |
= |
0; |
x + 2y − 11 = 0; M(7; 2); |
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14. x − 3 + |
9 = 0; |
x + y + 1 = 0; |
x + 5y − 7 = 0; M(2; 1); |
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15. |
5 |
− y + |
15 |
= 0 |
− − 1 |
= |
0 |
9x − 5y + 11 = 0; M(1; 4): |
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16. |
5 |
− 3 + 4 |
= 0 |
x + y − 4 |
= |
0; |
y = 3; M(5; 3); |
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17. |
3 |
− 2y − 8 |
= 0; |
5x + 6y − 32 = 0; |
x + 4y − 12 = 0; |
M(8; 1); |
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18. |
5 |
−4y −1 = 0; |
3x + 8 + 41 |
= 0; |
x −6y −21 = 0; |
(3 −3); |
19.3x−2y+ 4 = 0; 5x−12y−80 = 0; 7x−9y−34 = 0; M(1; −3);
20.x − y + 8 = 0; x − 3y + 4 = 0; 4x − 7y + 26 = 0; M(−3; 2);
21. 2 − y + 7 = 0; y = 3; 2x − 3y + 13 = 0; M(4; 7);
22.M7x − 5y + 45 = 0; 5x − 6y + 3 = 0; 12x − 11y + 48 = 0;
32 ; 6 ;
23.8x−5y + 65 = 0; 2x−9y −7 = 0; 5x−7y + 29 = 0; M(−3; 2);
24.x + 2y + 7 = 0; 5x − 4y − 7 = 0; 2x − 3y − 7 = 0; M(5; 1);
25. 5 |
+ 4y + 13 = 0; |
3x −10y + 45 = 0; |
x + 7y −16 = 0; M(2; 2); |
26. 5 |
+ 4y + 1 = 0; |
5 − 8 + 13 = 0; |
y = 1; M(5; 1); |
27.2x − y + 1 = 0; 12x − 7y − 1 = 0; 9x − 5y + 1 = 0; M(1; 2);
28.x + y − 1 = 0; x − y − 5 = 0; x − 5y − 13 = 0; M(8; −1);
29. |
11x −5y + 8 = 0; |
5x −9y −30 = 0; |
8x −7y −11 |
= 0; |
(4 3); |
30. |
8x − 5y + 43 = 0; |
2x − 9y + 3 = 0; |
5x − 7y + 23 |
= 0; |
M(1; 4): |
ZADANIE 12
DANO URAWNENIE A1x + B1y + C1 = 0 STORONY TREUGOLXNIKA, URAWNENIE A2x + B2y + C2 = 0 MEDIANY, WYHODQ]EJ IZ WER[INY, LEVA]EJ NA DANNOJ STORONE, I ODNA IZ WER[IN TREUGOLXNIKA. NAPI-
SATX URAWNENIQ OSTALXNYH STORON TREUGOLXNIKA:
1. |
5 |
− 3 |
+ 4 |
= 0 |
y = 3; (6; −2); |
(10; −3); |
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2. |
3 |
− 2 |
− 8 |
= 0 |
+ 4 − 12 |
= 0 |
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3. |
5 |
− 4 |
− 1 |
= 0; |
x − 6y − 21 |
= 0; |
(5; −7); |
4. |
8 |
− 5 |
+ 43 = 0; |
5x − 7y + 23 = 0; (3; 1); |
5.3x − 2y + 4 = 0; 7x − 9y − 34 = 0; (4; −5);
6.x − y + 8 = 0; 4x − 7y + 26 = 0; (−1; 1);
7. |
2 |
− y + 7 = 0; 2x − 3y + 13 |
= 0; |
(6; 3); |
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8. |
7 |
− 5 |
+ |
45 |
= 0 |
12x − 11y + 48 = 0; (3; 3); |
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9. |
8 |
− 5 |
+ |
65 |
= 0; |
5x − 7y + 29 = 0; (−1; −1); |
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10. x + 2y + |
7 = 0; |
2x − 3y − 7 |
= 0; |
(7; 7); |
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11. |
5 |
+ 4 + 13 = 0; |
x + 7y − 16 = 0; (5; 6); |
12. |
5 |
+ 4y + 1 = 0; |
y = 1; (7; 6); |
13.2x − y + 1 = 0; 9x − 5y + 1 = 0; (3; 5);
14.x + y − 1 = 0; x − 5y − 13 = 0; (9; 4);
15. |
11x − 5y + 8 |
= |
0 8x − 7y − 11 = 0; |
(6; 0); |
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16. |
3 |
+ 5y − 13 |
= |
0; x − 9y + 17 = 0; |
(−3; −2); |
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17. |
3 |
− − 5 |
= 0 |
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− 3 + |
1 |
= 0 |
(6 −3); |
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18. |
2 |
− − 7 |
= 0 |
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− 4y − |
7 |
= 0; |
(9; −3); |
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19. |
2 |
− y + 4 |
= 0; |
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x − y + 1 = 0; |
(5; 2); |
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20. |
5 |
− 3 + 9 |
= 0 |
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− y + |
1 |
= 0; |
(7; 4); |
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21. |
2 |
− 3y + 1 |
= 0; |
x − 8y − 6 = 0; (8; −3); |
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22. |
2 |
− + 7 |
= 0; |
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x − y + 2 = 0; |
(3; 1); |
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23. |
2 |
− y + 11 |
= 0; |
7 − 6 |
+ 31 = 0; |
(1; 3); |
24.3x − 2y + 14 = 0; x − 7y − 8 = 0; (4; −6);
25.13x − 4y − 21 = 0; 11x − 5y − 21 = 0; (7; 7);
26. x + y − 10 = 0; 6 − y − 11 = 0 (−1; −3);
27.3x − 2y + 9 = 0; x − 7y + 3 = 0; (7; −4);
28.− 2y = 0; 11x − 18y + 4 = 0; (6; 5);
29. |
x + y − 7 = 0; 6 |
− − 7 |
= 0 |
(−2; −5); |
30. |
2x − y + 3 = 0; |
x − y + 2 |
= 0; |
(7; 5): |
ZADANIE 13
OPREDELITX WZAIMNOE RASPOLOVENIE PAR PRQMYH. ESLI ONI PE-
RESEKA@TSQ, NAJTI OB]U@ TOˆKU:
1. 3 |
− 2 − 7 = 0 8 |
+ 3 |
− 27 = 0; |
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2. 5 |
− 2y + 7 = 0 |
2 |
+ 5 |
− 3 = 0; |
3. 4 |
+ y − 11 = 0 |
8x + 2y + 7 = 0; |
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4. 2 |
− 3y + 4 = 0; −4x + 6y − 8 = 0; |
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5. 3 |
+ − 5 = 0 |
2 |
− 6 |
+ 10 = 0; |
6. 8x − + 3 = 0 |
2 |
+ 3 |
+ 17 = 0; |
7.+ 2y + 3 = 0; 2x + 3y + 5 = 0;
8.x − y − 2 = 0; 6x − 6y + 1 = 0;
9. 4x + 6y + 5 = 0; 10 + 15y − 7 = 0;
10.2x + 3y + 1 = 0; 4x − 5y + 13 = 0;
11.x − y − 1 = 0; 3x + 3y − 15 = 0;
12.2x + 5y − 1 = 0; 6x − y − 19 = 0;
![](/html/65386/468/html_7D8YR26wXV.lH2N/htmlconvd-8LobPi16x1.jpg)
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13. |
2 |
+ 6 |
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− 11 = 0; |
3x − 2y = 0; |
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14. |
5x − 3y + 6 = 0; |
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−10x + 6y − 12 = 0; |
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15. |
x |
− |
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y |
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7 = |
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−3 |
x + 12y |
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− |
21 = 0; |
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16. |
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2 |
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6x + 4y + 10 = 0; |
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17. |
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x + |
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y − |
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10x |
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2y |
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4 = 0; |
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18. |
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x + |
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y − |
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3x |
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4y |
− |
21 = 0; |
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19. |
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15x |
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12y + 6 = 0; |
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20. |
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x − |
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− |
2y |
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10 = 0; |
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21. |
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22. |
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23. |
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24. |
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27. |
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28. |
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− |
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+ 3 |
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29. |
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30. |
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ZADANIE 14
OPREDELITX WZAIMNOE RASPOLOVENIE PAR PRQMYH, ZADANNYH PA-
RAMETRIˆESKIMI URAWNENIQMI. ESLI PRQMYE PERESEKA@TSQ, NAJTI TOˆKU PERESEˆENIQ:
1. x = 5 + 2t; y = 3 − t; |
x = 3 − 4t; y = 1 + 2t; |
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17 |
2. |
= 2 − |
= 3t; |
x = 8 + 3t; y = −1 − 9t; |
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3. |
= 1 − t; y = 2 + t; |
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x = −1 + t; y = 4 − t; |
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4. |
= t; y = −1 − 2t; |
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x = 3 − 2t; y = −1 − t; |
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5. |
= 2 − 3t; y = |
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= 3 + 9 = 5 − 3t; |
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6. |
= 2t; y = 3 − t; |
x = 6 − 4t; y = 2t; |
||
7. |
= 3 + 5t; y = 7 − 2t; |
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x = 9 − 4t; y = −7 − 10t; |
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8. |
= −1 + 2t; y = 1 + 3t; |
x = 3 − 4t; y = 7 − 6t; |
9. x = 2t; y = 3 − 4t; |
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x = 2 − 6t; y = −1 − 3t; |
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10. |
= 1 |
+ 3t; |
y = 1 |
− 4t; |
x = 4 − 6t; |
y = −3 + 8t; |
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11. |
= 2 |
− t; |
y = 3 + 5t; |
x = 2t; y = 13 − 10t; |
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12. |
= 3 |
+ 2t; |
y = −4 |
− 2t; |
x = 5 − |
= 3 + t; |
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13. |
= −1 |
+ 2 |
= |
1 |
+ t; |
x = 3 + 4t; |
y = 2t; |
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14. |
= −2 |
− 2t; y = |
11 + 3t; |
x = −1 + t; y = −10 + 5t; |
15. x = 3 + 5t; y = 4 − 2t; |
x = −1 − 3t; y = −6 + 7t: |
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OPREDELITX WZAIMNOE RASPOLOVENIE PAR PRQMYH, ODNA IZ KOTO- |
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RYH ZADANA OB]IM URAWNENIEM, A WTORAQ – PARAMETRIˆESKIMI URAW- |
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NENIQMI. ESLI PRQMYE PERESEKA@TSQ, NAJTI TOˆKU PERESEˆENIQ: |
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16. |
2 − 3 + |
4 = 0; |
x = −2 + 3t; |
y = 2t; |
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17. |
3x − 5y − |
28 = 0; |
x = 1 |
− 5t; |
y = 1 + 3t; |
18. x + 7y − 3 = 0; |
x = 4 − |
2t; y = 2 + t; |
19. |
3 |
− |
2 |
+ |
5 |
= 0 |
= |
2 |
+ |
2 |
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= −1 + 3t; |
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20. |
2x + |
5y − |
7 |
= 0; |
x = |
1 |
+ |
5t; |
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y = 1 − 2t; |
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21. |
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− 7 + 5 = 0 |
= −2 + 7t; |
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y = 5 |
+ t; |
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22. |
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− 2 + 3 = 0 |
= 1 + |
4 |
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= −2 |
+ 2t; |
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23. x + 3y − 3 = 0; |
x = 2 + |
5t; |
y = −1 |
− t; |
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24. |
7 |
+ |
2 |
− |
11 = 0; |
x = 3 |
− 2t; |
y = −5 + 7t; |
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25. |
5 |
− |
2 |
+ |
1 |
= 0 |
= |
3 |
+ |
2t; |
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y = −1 + 5t; |
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26. |
4 |
+ |
3y − |
5 |
= 0; |
x = |
1 |
− t; |
y = 2 + 3t; |
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27. |
5 |
− |
12y − 6 = 0; |
x = 6 |
+ 24t; y = 2 + 10t; |
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28. |
2 |
+ |
5 |
+ |
6 |
= 0; |
x = −5 − t; |
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y = −10 + 4t; |
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29. |
4 |
− |
3 |
− |
10 = 0; |
x = 1 |
+ 6t; |
y = 2 + 8t; |
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30. |
8x − |
3y − |
1 |
= 0; |
x = −2 − 2t; |
y = 11 + 3t: |
ZADANIE 15
DANY URAWNENIQ A1x + B1y + C1 = 0; A2x + B2y + C2 = 0 DWUH STORON PARALLELOGRAMMA I TOˆKA PERESEˆENIQ EGO DIAGONALEJ
![](/html/65386/468/html_7D8YR26wXV.lH2N/htmlconvd-8LobPi18x1.jpg)
M18
(x0 ; y0): NAPISATX URAWNENIQ DWUH DRUGIH STORON PARALLELOGRAM-
MA: |
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− 3 |
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3x + − 9 |
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1. |
2 |
+ 5 = 0 |
= 0 |
(5; 4); |
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2. |
5 |
+ 2 |
+ 7 = 0 |
x + 2y − 5 |
= 0; |
M(−5; 6); |
3.7x − 2y − 1 = 0; 3x + 2y − 9 = 0; M(1; 5);
4.x − 2y + 2 = 0; 2x − y − 5 = 0; M(6; 5);
5. 5x − 3y − 2 = 0; |
2x + y − 14 = 0; M 2 |
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2 ; |
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3 |
; 11 |
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6. 2x − 7y + 3 = 0; |
x − 5y + 6 = 0; M 3; |
3 |
; |
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2 |
; |
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7. 3x + 2y − 22 = 0; 4x + 5y − 48 = 0; M 2 2 |
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11 ; 9 |
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8. 2x − y − 7 = 0; x + y − 5 = 0; M |
5; −2 |
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3 |
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9.5x − 2y − 24 = 0; x + 3y − 15 = 0; M 72 ; 1 ;
10.4x − 3y + 2 = 0; 7x + 5y − 58 = 0; M 0; 152 ;
11.3x + 5y − 19 = 0; 7x + 8y − 48 = 0; M 32 ; 4 ;
12. |
x − 4y − 3 = 0; |
2x + 3y − 6 = 0; |
M |
2 |
; −2 |
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5 |
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3 |
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13. |
2x − 7y − 29 = 0; |
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2x + y − |
5 = 0; |
M(0; −3); |
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14. |
2x − y + 4 = 0; |
5x + 3y − 1 = 0; |
M − |
2 |
; − |
2 |
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1 |
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5 |
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15. |
3x − 4y + 9 = 0; |
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x + y − 11 = 0; |
M |
7 |
; 4 ; |
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16. |
2x − 5y + 8 = 0; |
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8x − 3y − |
2 = 0; |
M(5; 7); |
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17. |
4x + 3y + 24 = 0; |
x − 5y − |
17 = 0; M |
−2; −2 |
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3 |
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18.3x + 7y + 4 = 0; 2x − 3y + 18 = 0; M −1; 32 ;
19.x − 3y − 7 = 0; 12x + 5y + 80 = 0; M −92 ; 3 ;
19
20. |
3x − 5y − 1 = 0; |
7x + |
4y + |
29 = 0; |
M |
− |
5 |
; 3 ; |
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2 |
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21. |
2 |
− 11y − 40 = 0; 4x − 5y − 12 = 0; |
M(6; −1); |
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22. |
3 |
+ 8 |
− 27 |
= |
0 |
9x − 2y − 3 = 0; |
M(6; 6); |
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23. |
5 |
+ 7 |
− 22 |
= |
0; |
x + 3y − |
6 = 0; |
M(5; −1); |
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24. |
3 |
− 4 |
− 7 = 0; |
x + 2y − 9 = 0; M(8; 3); |
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25. |
4 |
− 9y − 30 |
= |
0; |
2x + y − |
4 = 0; |
M(6; 3); |
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26. |
2 |
+ 13y + 49 = 0; 8x − 5y + 25 = 0; |
M(4; 0); |
27.4x − 3y + 31 = 0; 2x + 5y + 9 = 0; M(−8;4);
28.x − 4y − 38 = 0; 7x + 6y + 142 = 0; M(−1; −14);
29. |
5 + 3 + 44 |
= 0 |
3 − 7 = 0; M(−2; −4); |
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30. |
7x − 8y + 58 |
= 0; |
5x + 4y + 22 = 0; |
M(−4; 8): |
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ZADANIE 16 |
|
ZNAQ URAWNENIQ A1x + B1y + C1 = 0; |
A2x + B2y + C2 = 0 DWUH |
STORON PARALLELOGRAMMA I ODNU IZ EGO WER[IN (x0 ; y0); SOSTAWITX URAWNENIQ DWUH DRUGIH STORON PARALLELOGRAMMA:
1. |
2 |
− |
5 |
+ |
8 |
= 0; |
8 |
− |
3 |
− |
2 = 0; |
(9; 12); |
|||
2. |
4 |
+ |
3 |
+ |
24 |
= 0; |
− |
5 |
− |
17 |
= |
0 |
(−1; 1); |
||
3. |
3x + |
7y + |
4 |
= 0; |
2 |
− |
3 |
+ |
18 |
= |
0 |
(4; 1); |
|||
4. |
x − 3y − 7 = 0; |
12 |
+ |
5 |
+ |
80 |
= |
0 |
(−4 10); |
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5. |
3 |
− |
5y − |
1 |
= 0; |
7x + |
4y + |
29 |
= |
0; |
(−2; 8); |
||||
6. |
2 |
− |
11y − 40 = 0; |
4x − 5y − 12 = 0; (14; 2); |
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7. |
3 |
+ |
8 |
− |
27 |
= 0 |
9x − 2y − 3 = |
0; |
(11; 9); |
||||||
8. |
5 |
+ |
7 |
− |
22 |
= 0; |
x + |
3y − |
6 = 0; |
(7 −3); |
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9. |
3x − |
4y − |
7 |
= 0; x + 2y − 9 = 0; |
(11; 4); |
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10. 4 |
− 9y − 30 = 0; |
2x + y − 4 = |
0; |
(9; 8); |
|||||||||||
11. 2 |
+ 13y + 49 = 0; 8x − 5y + 25 = 0; (13; 3); |
12.4x − 3y + 31 = 0; 2x + 5y + 9 = 0; (−9;7);
13.x − 4y − 38 = 0; 7x + 6y + 142 = 0; (8; −16);
14. |
5 |
+ 3 |
+ |
44 = |
0 |
3 − |
7 = 0; |
(3; −5); |
|
15. |
7 |
− 8 |
+ |
58 = |
0; |
5x + |
4y + 22 = 0; (−2; 14); |
||
16. |
8 |
− 3 |
− |
1 = 0; 4 |
+ y − 13 = 0; |
(4; 11); |
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17. |
5 |
− 2y + |
13 = |
0; |
x + 3y − 11 = 0; |
(0; 6); |
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18. |
3 |
− |
− 1 |
= 0 |
2x − y + 3 = 0; |
(2; 4); |
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19. |
2x − y + 3 |
= 0; |
x − y + 7 = 0; |
(8; 7); |
![](/html/65386/468/html_7D8YR26wXV.lH2N/htmlconvd-8LobPi20x1.jpg)
20 |
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20. |
x + 3y − 1 = 0; |
3x − |
5y + 11 = 0; (1; 6); |
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21. |
2 |
+ |
3y − 1 |
= 0 |
|
3x − 5y − 11 |
= |
0; (4; 5); |
|
22. |
3 |
− |
+ 11 |
= 0; |
|
+ |
2 − 1 = 0; |
(5; −5); |
|
23. |
2 |
− y + 2 = 0; |
5x + |
2y − 13 = 0; (7; 2); |
|||||
24. |
4x + |
3y − 11 = 0; |
3x − y − 18 |
= |
0; (10; −7); |
||||
25. |
x − 7 − 25 |
= 0; |
|
x + |
+ 7 = 0; (2; −8); |
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26. |
3 |
+ y − 7 = 0; |
x + 3y + 11 = 0; |
(10; 3); |
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27. |
3 |
− |
5y − 5 |
= 0 |
|
5x − 2y − 21 |
= |
0; (9; 6); |
|
28. |
2 |
+ y − 12 |
= 0 |
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− y − 9 = 0; (10 6); |
||||
29. |
3 |
− |
7 + 8 |
= 0; |
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x + |
2y − 6 = 0; |
(6; −4); |
|
30. |
3x − |
2y − 17 = 0; |
x + 3y − 24 |
= |
0; (1; −3): |
ZADANIE 17
C DANY URAWNENIQ DWUH STORON PARALLELOGRAMMA (AW) A1x+B1y+ 1 = 0 I (AD) A2x + B2y + C2 = 0: NAJTI URAWNENIQ DWUH DRUGIH STORON PARALLELOGRAMMA, ESLI M(x0 ; y0) – SEREDINA STORONY WS:
1. |
2 |
− y − 1 = 0; x + y − 5 = 0; M(7; 4); |
|||
2. |
4 |
+ 3 |
− |
1 = 0; |
2x − y − 3 = 0; M(0; 7); |
3. |
3 |
− 5 |
+ |
21 = 0 |
4 + 3 − 1 = 0; M(6; 2); |
4. |
3x − 2y + 17 = 0; 4x − 5y + 18 = 0; M(4; 11); |
; |
|||||
5. x + 2y − 14 = 0; 5x − 3y − 31 = 0; M 2 2 |
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27 ; 7 |
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6. x − y + 7 = 0; x + 3y − 9 = 0; M 2 |
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2 ; |
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7.x − 7y + 31 = 0; 2x − y + 23 = 0; M(−2; 6);
8.4x − 3y − 7 = 0; 2x − y − 1 = 0; M 32 ; 0 ;
9. 2x + 7y − 1 = 0; 3x − 5y + 14 = 0; M 2 2 |
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10. |
x + 2y − 7 = 0; 4x + 3y − 23 = 0; |
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11. |
2x − 3y + 10 = 0; 3x − y − 13 = 0; |
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12. |
x − 2y = 0; 2x + 5y − 27 = 0; M |
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