Question 18834
First find the slope in the equation y2-y1/x2-x1. Then subsitute so you get 
3-(-2)/9-5, 3+2/4, 5/4. This is your slope so then you plug htis and which ever ordered pair you have into the equation. y=mx+b, 3=5/4(9)+b, 3=45/4+b, 4/15+b. The equation would be y=5/4x+4/15.