Answers

2014-10-06T23:08:50+08:00
Since you're given with the coordinates of the point and slope then all you have to do is substitute:
y - y_1 = m(x - x_1)
y - 2 = -3(x - 1)
y - 2 = -3x + 3
y = -3x + 3 + 2
y = -3x + 5
or you can have it as
y + 3x = 5
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