Question 831985
how would you write an equation in slope-intercept form for the line through (-1,1) and (0,3)   


i used the format m= y2-y1
                                 ------    
                                  x2-x1 
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Write it like this:
Slope = (y2 - y1)/(x2 - x1)
Then find the slope, usually called m.