SAT Math Practice Question #35323 - SATify | SATify

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SAT Math Practice Question #35323 - SATify | SATify

#35323

identities

expressions

algebra

medium

60 sec

If $M = x^{2} + y^{2}$ and $N = x^{2} - y^{2}$ , which of the following is equal to $M^{2} - N^{2}$ ?

A.

$4 x^{2} y^{2}$

B.

$2 x^{2} y^{2}$

C.

$4 x^{4} - 4 y^{4}$

D.

$x^{4} - y^{4}$