Additional Exercises 9.1 Form I Functions Worksheet With Answers Page 10
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15Name ___________________________________
Date _________________________
Additional Exercises 9.5
Form I
Exponential and Logarithmic Equations
Solve the exponential equation by expressing each side as a power of the same base and then
equating the exponents.
5 =
x
1.
125
1. _______________
4 =
x
2.
4096
2. _______________
−
=
3
x
1
3.
3
9
3. _______________
Solve each exponential equation by taking the logarithm on both sides. Express the solution set
in terms of logarithms.
7 =
x
4.
343
4. _______________
2 =
x
5.
90
5. _______________
=
3
6.
3
15
6. _______________
=
1
4 .
x
7.
7. _______________
e
10
10 =
x
8.
9
8. _______________
Solve each exponential equation by taking the logarithm on both sides. Use a calculator to obtain
a decimal approximation correct to two decimal places for the solution.
+ x
6
=
9.
3
4
9. _______________
=
x
10.
72
10. _______________
e
AE-361
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