SAT Math Practice Question #39219 - SATify | SATify

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SAT Math Practice Question #39219 - SATify | SATify

#39219

real numbers

equations

medium

75 sec

Calculator OK

Which of the following equations has exactly one distinct real solution?

A.

$x^{2} = 49$

B.

$x^{3} = - 27$

C.

$x^{4} = 16$

D.

$x^{2} = - 9$