alinakayy alinakayy

14-12-2016
Mathematics

contestada

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

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mathssydney mathssydney

14-12-2016

minus 1 over 4

answer

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apologiabiology apologiabiology

14-12-2016

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

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