Write an equation of the line that passes through (7,10) and is perpendicular to the line y=1/2x-9
1 answer:
Knowing it has to be perpendicular, the slope of the new line has to be -2.
y = -2x + b
Plug the coordinate pair into the equation.
10 = -2(7) + b
10 = -14 + b
24 = b
So the final equation for the line is...
y = -2x + 24
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