What is the slope of a line perpendicular to the line with equation y = 4x + 5

asked Aug 15, 2017 29.8k views

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5 votes

minus 1 over 4

answer

Rxx answered Aug 16, 2017

by Rxx

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perpendiculare lines have slopes that multiply to -1

y=mx+b
m=slope
given

y=4x+5
slope=4

4 times what=-1
what=-1/4

y=-1/4x+b

the slope is -1/4

InverseFalcon answered Aug 19, 2017

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