Solving Exponential Equations by Rewriting the Base Answers

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1
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Solve:

Question illustration
A
x = 2
B
x = –5
C
x = 2, x = –5
D
no solution
2
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For what value of b does ?

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A
Negative one-half
Option A
B
Negative one-fourth
Option B
C
One-fourth
Option C
D
no solution
3

If , what is the value of y?

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A
–8
B
–4
C
–2
D
–1
7

For what value of a does ?

Question illustration
A
–1
B
0
C
1
D
no solution
8

Which equation is equivalent to ?

Question illustration
A
3 Superscript x Baseline = 3 Superscript negative 3 x + 2
Option A
B
3 Superscript x Baseline = 3 Superscript 3 x + 6
Option B
C
3 Superscript negative x Baseline = 3 Superscript 3 x + 2
Option C
D
3 Superscript negative x Baseline = 3 Superscript 3 x + 6
Option D
10

Which equation is equivalent to ?

Question illustration
A
8 Superscript 4 p Baseline = 8 Superscript 4 p + 3
Option A
B
8 Superscript 4 p Baseline = 8 Superscript 4 p + 12
Option B
C
2 Superscript 8 p Baseline = 2 Superscript 5 p + 15
Option C
D
2 Superscript 8 p Baseline = 2 Superscript 5 p + 3
Option D

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