SAT Math Practice Question #35363 - SATify | SATify

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SAT Math Practice Question #35363 - SATify | SATify

#35363

expressions

algebra

medium

60 sec

Which of the following is equivalent to $(\frac{1}{3} a + 3 b)^{2}$ ?

A.

$\frac{1}{9} a^{2} + 9 b^{2}$

B.

$\frac{1}{9} a^{2} + ab + 9 b^{2}$

C.

$\frac{1}{9} a^{2} + 2 ab + 9 b^{2}$

D.

$\frac{1}{9} a^{2} + 3 ab + 9 b^{2}$