Math 1090
Quiz 27
30 March, 2012
Name:
Instructions: Answer the questions below. Make sure to show all work
clearly.
This quiz has two sides
1. (3 points) Write as a sum/difference of logs:
(x + 3)(y 2 )
log4
7x
2. (3 points) Write as a single logarithm:
4 log2 (x + 3) − log2 (x − 1) + log2 (y)
3. (2 points) Use the change-of-base formula and a calculator to evaluate:
log6 (100)
4. (2 points) Evaluate without a calculator:
log6 (210 ) + log6 (310 )