pokereyes101 pokereyes101
  • 03-01-2017
  • Mathematics
contestada

find the equation of the line that passes through the point (8,11) and is perpendicular to y=4x-3

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apologiabiology
apologiabiology apologiabiology
  • 03-01-2017
perpendiculare has slope taht mulitpliest so -1

y=mx+b
m=slope
y=4x-3
slope is 4
4 times what=-1
what=-1/4

the equation of a line that passe through (x1,y1) and has a slope of m is
y-y1=m(x-x1)
given
(8,11) and m=-1/4
y-8=-1/4(x-11)
y-8=-1/4x+11/4
y=-1/4x+43/4
x+4y=43
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