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identify an equation in point-slope form for the line perpendicular to y= 4x - 9 that passes through (-5, 3)

User Shyvonne
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1 Answer

23 votes
23 votes

Hello there!

The slopes of perpendicular lines are opposite reciprocals. It means we take the slope of the given line, flop it over and make it negative.

And then just plug in the points:

y-y1=m(x-x1)

y-3=-1/4x-(-5)

y-3=-1/4x+5

Hope this helps!

~Just a joyous teen


GraceRosalia

User Rwallace
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