SAT Math Practice Question #14552 - SATify | SATify

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SAT Math Practice Question #14552 - SATify | SATify

#14552

algebra

expressions

medium

135 sec

Which expression is equivalent to $(y^{2} - 4)^{2} - (y - 2) (y + 2)$ ?

A.

$y^{4} - 7 y^{2} + 12$

B.

$y^{4} - 9 y^{2} + 12$

C.

$y^{4} - 9 y^{2} + 20$

D.

$y^{4} - 7 y^{2} + 20$