Solving Exponential Equations by Rewriting the Base Answers
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1
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Solve: 43x = 42
A
Option
B
Option
C
Option
D
Option
2
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Solve: 62x - 3 = 6-2x+1
A
x = -1B
x = 0C
x = 1D
x = 43
Solve: 3,125 = 5–10 + 3x x =
Answer:
5
5
Choose the correct equation.
A
(7) 3x = (73) 2x+1B
(72) 3x = (73) 2x+1C
(72) 3x = (74) 2x+16
Solve:
A
a = –8B
a = 0C
a = 8D
no solution7
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?
A
2 = 1B
z = 1C
–4z + 2 = 1D
–4z + 1 = 18
Solve:
A
x = –1B
x = 0C
x = 1D
no solution9
Solve:
A
Option
B
Option
C
Option
D
Option
10
Solve:
A
a = –3B
a = 0C
a = 3D
no solution11
Explain the error in the work shown. Find the correct answer.
Answer:
The bases were not the same when the exponents were set equal to each other. 16 should have been written as 4 squared. The exponent on the right should be 4a instead of 8a. The correct solution is .
12
Which of the following did you include in your explanation?
A
The bases were not the same when the exponents were set equal to each other.B
16 should have been written as 4 squared.C
The exponent on the right should be 4a instead of 8a.D
The correct solution is .
13
Solve: 493x = 3432x+1
A
x = –3B
x = 1C
x = 3D
no solution14
Solve:
A
z = –1B
z = 0C
z = 1D
no solutionDid you find these answers helpful?
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