3 years ago

Write the point-slope form of the line that passes through (5, 5) and is perpendicular to a line with a slope of 1/4.

1 answer:

6 0

A perpendicular line would have a slope that is the negative reciprocal of the slope you are given. Therefore the slope of the new line would be -4/1 or just -4.
You can now use point-slope formula and plug in your numbers to figure out the equation of that line.
Point-Slope form: y-y1=m(x-x1)
Therefore your equation would be: y-5=-4(x-5)

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