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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
6.7 Solving Equations with Exponents

Example:
Solve, 3x = 81, find x value.

Solution:
81 is written as 3*3*3*3, that is 34
Therefore, 3x = 34
At bases are equal, exponents are equal.
Therefore, x = 4.
Answer:


Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: Solve, 27x-3 = 16, find x value.
2
3
1
4

Q 2: Solve, 32x = 81, find x value.
2
3
4
5

Q 3: Solve, 32x+3 = 243, find x value.
4
2
3
1

Q 4: Solve, 52x = 625, find x value.
2
3
5
4

Q 5: Solve, 4x = 1024, find x value.
6
4
8
5

Q 6: Solve, 25x = 1024, find x value.
4
3
6
2

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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