3 years ago

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

2 answers:

8 0

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

5 0

Minus 1 over 4

answer

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