SAT Math Practice Question #35047 - SATify | SATify

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SAT Math Practice Question #35047 - SATify | SATify

#35047

expressions

algebra

medium

30 sec

Which expression is equivalent to $4 a^{2} + 2 a + 3 a^{2}$ ?

A.

$9 a^{2}$

B.

$7 a^{2} + 2 a$

C.

$9 a^{3}$

D.

$7 a^{4} + 2 a$