Question 173590
if your given points (x1,y1) and (x2,y2)..the slope is change of y over change in x
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so m or slope would be y2-y1/x2-x1 
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with that information with the slope and a point you can find the equation of the line with the point slope formula. y-k=m(x-h) where m is the slope and (h,k) is any point on the line