SAT Math Practice Question #7442 - SATify | SATify

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SAT Math Practice Question #7442 - SATify | SATify

#7442

equations

algebra

polynomials

completing the square

radicals

roots

formulas

quadratic equations

medium

75 sec

Calculator OK

$x^{2} + 6 x - 15 = 0$
One solution to the equation can be written in the form $- 3 + k$ . What is the value of $k$ ?

A.

18

B.

20

C.

24

D.

30

E.

36