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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
3.7 Find x Value - I

Example: If 2x = 8, then find the value of x.

Solution: Write 8 in exponent form,
we get 8 = 2*2*2 = 23
Therefore 2x = 23
As the bases are equal, the exponents must be equal.
Therefore x = 3.


Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: If 27x = 33, then find the value of x.
Answer:

Q 2: If 2x = 16, then find the value of x.
Answer:

Q 3: If 7x = 343, then find the value of x.
Answer:

Q 4: If 27x = 729, then find the value of x.
Answer:

Q 5: If 162x = 256, then find the value of x.
Answer:

Q 6: If 4x = 16, then find the value of x.
Answer:

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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