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Answer :

Nizajchandago

Answer:

y - x = 7

Step-by-step explanation:

y = -x + 7

the gradient (M1) is -1

the gradient of the perpendicular line v is given by

  • M2 = -1/m1
  • M2=-1/-1
  • M2=1

to find the duration of the perpendicular line v use

y- y1 = m(x-x1)

y1=-1

x1 =-8

  • y-(-1) =1[x-(-8)]
  • y+1=x+8
  • y-x=8-1
  • y-x=7

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