AnswersDHS Algebra 2 VSolving Exponential Equations by Rewriting the Base

Solving Exponential Equations by Rewriting the Base Answers

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1
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Solve: 3,125 = 5–10 + 3x x =

Answer:

5

2
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Choose the correct equation.

A
(7) 3x = (73) 2x+1
B
(72) 3x = (73) 2x+1
C
(72) 3x = (74) 2x+1
3

Solve: 493x = 3432x+1

A
x = –3
B
x = 1
C
x = 3
D
no solution
4

To solve 493x = 3432x+1, write each side of the equation in terms of base .

Answer:

7

5

Solve:

Question illustration
A
a = –8
B
a = 0
C
a = 8
D
no solution
6

Rewrite the given equation so there is a single power of 5,000 on each side. Then, set the exponents equal to each other. Which equation shows the result?

Question illustration
A
2 = 1
B
z = 1
C
–4z + 2 = 1
D
–4z + 1 = 1

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