Work out the equation of the line which has a gradient of 3 and passes through the point (-1,3)
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Answer:
3x-y+6=0
Step-by-step explanation:
Let the point be P(-1,3) = (x1,y1)
Since gradient is 3, which is ;
m = 3
FORMULA TO FIND THE EQUATION OF A LINE WITH SLOPE.
y-y1 = m(x-x1)
y-3 = 3(x+1)
y-3 = 3x+3
3x-y+3+3=0
3x-y+6=0
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