SAT Math Practice Question #38880 - SATify | SATify

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SAT Math Practice Question #38880 - SATify | SATify

#38880

algebra

expressions

medium

75 sec

Calculator OK

A polynomial $A$ is added to $(4 x^{2} - 3 x + 7)$ to produce a sum of $(9 x^{2} + 2 x - 1)$ . What is polynomial $A$ ?

A.

$5 x^{2} - 5 x + 8$

B.

$5 x^{2} + 5 x - 8$

C.

$13 x^{2} - x + 6$

D.

$- 5 x^{2} - 5 x + 8$