Question

Find the equation of the line with slope that is -3 and passing through the point (2,-1)

Answer 1

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Answer 2

the line be y=mx +c
since it passes through (2,-1)
-1=2*m+c
since slope is -3, m=-3
-1=2*-3+c
-1=-6+c
c=5
the line is hence y=-3x+5
3x+y-5=0