SAT Math Practice Question #7788 - SATify | SATify

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SAT Math Practice Question #7788 - SATify | SATify

#7788

algebra

polynomials

expressions

factoring

simplification

easy

20 sec

Calculator OK

Which expression is equivalent to $r^{3} + 4 r^{2} + 7 r$ ?

A.

$r (r^{2} + 4 r + 7)$

B.

$r^{2} (r + 4) + 7 r$

C.

$r^{3} (1 + 4/ r + 7/ r^{2})$

D.

$r^{2} (r + 4 r + 7)$