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Question 822233: What is the equation of the line described below written in slope-intercept form?
the line passing through point (2, 2) and perpendicular to the line whose equation is y = x
y = x - 4
y = x + 4
y = -x + 4
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! ---
y = x
slope = 1
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perpendicular lines have negative reciprocal slopes,
so the perpendicular slope = -1
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(2, 2) and m=-1
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to solve the linear equation, copy and paste this (given point and perpendicular slope):
2, 2, -1
into the "Point-Slope form: x1 y1 m" input box here: https://sooeet.com/math/linear-equation-solver.php
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x-intercept = (4, 0)
y-intercept = (0, 4)
slope = -1
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answer:
slope-intercept form:
y = -x + 4
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