SAT Math Practice Question #14905 - SATify | SATify

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SAT Math Practice Question #14905 - SATify | SATify

#14905

equations

optimization

quadratic equations

hard

40 sec

In the equation $x^{2} + 6 x = k$ , where $k$ is a constant, what must be the value of $k$ for the equation to have exactly one real solution?

A.

$9$

B.

$6$

C.

$0$

D.

$- 9$