Solve for x in 8x

^{-2}= 2/25-
**A.**

4 -
**B.**

6 -
**C.**

8 -
**D.**

10

##### Correct Answer: Option D

##### Explanation

8x^{-2} = 2/25

x^{-2} = 2/25 x 1/8

x^{-2} = 2/200

x^{-2} = 1/100

1/x^{2} = 1/100

x^{2} = 100

x = 10

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