Point-slope is the general form y-y₁mx-x₁ for linear equations. Find the y intercept given two points. Once you know the slope m youre halfway there.
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Equations in point-slope form look like this. M frac rise run frac y_ 2 - y_ 1 x_ 2 - x_ 1 m run rise. The calculator also has the ability to provide step by step solutions. X1y1 and the slope of the line.