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isramemonbunny isramemonbunny
  • 29-01-2017
  • Mathematics
Answered

Find the equation of a line that is parallel to the line y=x and contains the point (1,-9)

Verified Answer :

kamakshii kamakshii
  • 29-01-2017

y=mx+b

y=-9
x=1
m=?

slope of y=x is 1 and so m must equal -1 because the slope is negated and flipped.
so after finding that b=-8
y=-x-8

Answer Link
surjithayer surjithayer
  • 29-01-2017

eq. of line parallel to y=x is
y=x+c
∵it passes through (1,-9)
-9=1+c
c=-9-1=-10
so reqd. line is y=x-10

Answer Link

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