6.1.3. Write the following expressions
•bn = c
•a3 =12 +15
•b3 + a2 = c4
•b−(n+1) = a
•6 3 = 216
6.1.4. Give the names to the components
Model: a+b=c a and b mean addends; c means a sum
•bn = c
•т
•dn
•b ×с = а
Unit 7.Logarithms
Look through the table and try to memorize it.
symbols |
reading |
additional word |
|
|
combinations |
logb c = n |
the logarithm of c to the |
natural logarithm of a |
|
base b is equal to n |
number (ln c) |
logb c |
logarithmic expression |
(common) logarithm of a |
|
|
number (log c; or: lg c) |
B |
base |
|
C |
antilogarithm |
|
N |
value of a logarithm |
|
a3 = logc d |
a cubed equals the |
|
|
logarithm of d to the base |
|
|
c |
|
7.1 Assignments
7.1.1.Memorize the following words and word-groups:
logarithm |
[`lOgqrITqm] |
логарифм |
natural logarithm |
[`nxtSrql`lOgqrITqm] |
натуральный логарифм |
common logarithm |
[`kOmqn `lOgqrITqm] |
общий логарифм |
logarithmic expression |
[`lOgq`rITmIk |
логарифмическое |
|
Iks`preSqn] |
выражение |
antilogarithm |
[`xntI` lOgqrITqm] |
антилогарифм |
value of a logarithm |
[`vxljH Ov q ` |
значение (величина) |
|
lOgqrITqm] |
логарифма |
17