SOLUTION: write an equation of the line. write the equation in the form x=a,y=b or y=mx+b. through (-4,1) perpendicular to y=-3x+1 y=-3x+1, y-1=(3x

Question 851646: write an equation of the line. write the equation in the form x=a,y=b or y=mx+b. through (-4,1) perpendicular to y=-3x+1 y=-3x+1, y-1=(3x)x-(-4)) i know i do the reciprocal but it is not coming out the answer is y=1/3x+7/3 how did they get that
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

Line through (-4,1) perpendicular to , m = -3

***Using point-slope form, 

    |Note the "negative reciprocal" of -3 is   1/3

 y = (1/3)x + 4/3 + 3/3

 y = (1/3)x + 7/3

  

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