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Through (-4 , -1) perpendicular to y=-1/4x+2

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Explanation:

slope of equation is -1/4 so perpendicular slope is 4.

y= 4x+b.

substitute -4 for x and -1 for y.

-1 =4(-4)+b

-1=-16 +b

b=15

equation is y=4×+15

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