Seudónimo Seudónimo
  • 21-06-2020
  • Mathematics
contestada

help Write an equation for a line perpendicular to y=-4x+4 and passing through the point (-12,-8)

Respuesta :

GeorgePP
GeorgePP GeorgePP
  • 21-06-2020

Answer: [tex]y=\frac{1}{4} x-5[/tex]

Step-by-step explanation:

Lines perpendicular to another line have inversely proportional slopes. We are given that the slope of the line is -4, so the slope of the perpendicular line will be positive 1/4. Now we have a starting point for this line:

[tex]y=\frac{1}{4} x+b\\-8=\frac{1}{4} (-12)+b\\-8=-3+b\\b=-5[/tex]

Notice how I plugged in the points given.

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