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Test: GRE Math

1.	Which of the following is an equation of a line that is perpendicular to ?

y=2x-4

$y=\frac{1}{2}x+4$

$y=-2x+\frac{9}{2}$

-4x+2y=9

$y=-\frac{1}{2}x+9$

1/60 questions

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