Question 31308
1. Slope is rise/run or simply 5/1 or 5
   Crosses y-axis at (0,7) or y = 7
2. for ordered pair (x,y) since x = 0 for the "y intercept" we have (0,500)
3. Slope = m = (Y2 -Y1) ÷ (X2 -X1)
           m = (0 - 5) ÷ (0 - 1) 
             = -5 ÷ -1 
             = 5