SAT Math Practice Question #7637 - SATify | SATify

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SAT Math Practice Question #7637 - SATify | SATify

#7637

equations

algebra

roots

exponents

quadratic equations

easy

40 sec

$\frac{x ^{2}}{100} = 81$

What is a solution to the given equation?

A.

9

B.

18

C.

90

D.

810