SAT Math Practice Question #15125 - SATify | SATify

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SAT Math Practice Question #15125 - SATify | SATify

#15125

algebra

identities

expressions

medium

60 sec

If $r^{2} = 2 m + n$ and $s^{2} = 2 m - n$ , which of the following is equal to $(r^{2} + s^{2})^{2}$ ?

A.

$4 m^{2}$

B.

$16 m^{2}$

C.

$16 m^{2} + 4 mn + n^{2}$

D.

$4 m^{2} + n^{2}$