shell0409 shell0409
  • 21-10-2016
  • Mathematics
contestada

Write the equation of the line that is perpendicular to the graph of y=-4x-9, and whose y-intercept is (0,3)

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linktra
linktra linktra
  • 25-10-2016
I wrote the equation y=-4x+3. I attached a graph that has the original line (in blue), the point you gave (red dot), and my line (in green) so you can see it.
Ver imagen linktra
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 25-10-2016
perpendicular has slope that multipies to -1
y=mx+b
m=slope
b=yint

y=-4x-9
slope=-4

-4 times what=-1
1/4

y=1/4x+b
yint=(0,3)
y=1/4x+3
Answer Link

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