Name___________________________________________
Honors Algebra I
Exponential and Logarithmic Functions Review
Write each equation in its equivalent exponential form
1.
1
log 343 7
3
2.
log 1 64 x
2
Write each equation in its equivalent logarithmic
form.
3.
6 x 216
4.
13y 874
Evaluate each expression WITHOUT a calculator. If evaluation is not possible, state the
reason.
5.
log 6
1
36
9.
log 6 3 6 2
log 4 410
11.
log 3 log 3 1
log 4 (16)
10.
log 3 (log 5 5)
13.
10 log4 x
12.
7.
8.
6.
log 4 256
5log5 5
2
Use the properties of logarithms to expand each logarithmic expression as much
possible, Where possible, evaluate the logs.
14.
36x 3
log 2
y
15.
xy 2
log
64
16.
(3xy) 3
log
2
(9xz)
Use the properties of logarithms to condense each logarithmic expression into a single
logarithm.
17.
7log x 3log y 4log z
18.
1
log 4 x log 4 y log 4 z
3
Solve each exponential equation. If necessary, round t0 the nearest hundredths place.
19.
2 4 x 2 64
9 x 2 27 x
20.
21.
3x 4 7 2x 1
Solve each logarithmic equation. Round all answers to the nearest hundredths place.
22.
log 4 (2x 5) 3
24.
log 3 (x 1) log 3 (x 2) 2
25.
log( 2x 1) log( x 3) log( x 5)
23.
3 4log( 2x) 15
26.
How long, the nearest tenth of a year, will it take $30,000 to triple in value at
7.5% annual interest compounded monthly?
Compounded continuously?