Write an equation for the line
perpendicular to y = 2x - 5 that contains (-9,6).
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The given line has slope = 2
Any line perpendicular to it must have slope = (-1/2)
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Form:
y = mx + b
Solve for "b":
6 = (-1/2)(-9) + b
6 = (9/2) + b
b = 3/2
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Equation:
y = (-1/2)x + (3/2)