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Q6: If x=9 and y=7

October 15, 2026

2018 Test B Math · Question 6 of 57

$\textup{If} \: \boldsymbol{x=9} \: \textup{and}\: \boldsymbol{y=-7}, \textup{what}\: \textup{is} \: \textup{the}\: \textup{value}\: \textup{of} \: \boldsymbol{x\left ( x-2y \right )}?$

A18
B45
C144
D207

Show the answer

Correct answer: D

$x(x-2y)=9(9-2(-7))=9(9+14)=9(23)=207$

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