Test: SAT Math

1.

Give the equation of a line perpendicular to \dpi{100} \small y=2x-7.

\dpi{100} \small y=-2x+7

\dpi{100} \small y=2x+6

None of the other answers 

\dpi{100} \small y=-\frac{1}{2}x

\dpi{100} \small y=-2x-6

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