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Mathematics 8 Online
OpenStudy (anonymous):

perpendicular to the graph of y=1/2x-3, passes through the point at (5,-4)

OpenStudy (ranga):

Let y = mx + b be the equation of the perpendicular line. Use the information that two lines are perpendicular if the product of their slopes is -1. Then you can determine m. The line passes through (5, -4). Use that to find b. I am giving the steps than providing you with the answer.

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