SAT Math Practice Question #35384 - SATify | SATify

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SAT Math Practice Question #35384 - SATify | SATify

#35384

expressions

algebra

hard

75 sec

Which of the following is equivalent to the expression $(\frac{2}{5} a^{2} - \frac{1}{4} b + 3 c) - (\frac{1}{10} a^{2} + \frac{1}{2} b - c)$ ?

A.

$\frac{3}{10} a^{2} - \frac{3}{4} b + 4 c$

B.

$\frac{3}{10} a^{2} + \frac{1}{4} b + 2 c$

C.

$\frac{1}{2} a^{2} - \frac{3}{4} b + 4 c$

D.

$\frac{1}{2} a^{2} + \frac{1}{4} b + 2 c$