SAT Math Practice Question #15497 - SATify | SATify

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SAT Math Practice Question #15497 - SATify | SATify

#15497

algebra

radicals

expressions

hard

45 sec

If $x$ and $y$ are positive numbers such that $x > y$ , which of the following is equivalent to $(x - y) \cdot (x - y)^{3}$ ?

A.

$x^{2} + y^{2}$

B.

$x^{2} - y^{2}$

C.

$x^{2} - 2 x y + y^{2}$

D.

$(x - y)^{4}$