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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics
3.25 Problems on Logarithms - IV

Example:
Find the value of 10log106.
Solution:
Let 10log106 = x
Taking logarithms to base 10 on both sides, we get,
log1010log106 = logx
log106 = log10x [Since log1010 = 1]
Therefore, x = 6.
Therefore, 10log106 = 6.

Form above example we can find a formula:
alogaN = N


Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: Find the value of 15log157.
7
22
15

Q 2: Find the value of 6log63.
6
3
9

Q 3: Find the value of 2log23.
5
3
2

Q 4: Find the value of 7log715.
7
22
15

Q 5: Find the value of 9log98.
8
9
17

Q 6: Find the value of 17log172.
17
19
2

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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