Question 1102724
slope = rise / run = (change in y value) / (change in x value) = (y2-y1)/(x2-x1)

You are free to choose which point to assign to (x1,y1):

Choosing (x1,y1) = (-7,-8)   ( and therefore (x2,y2)=(0,4) ):

     slope = (4-(-8)) / (0- (-7)) =  <b>12 / 7</b>  or about 1.7143  to 4 decimal places.

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You can reverse the assignments of (x1,y1) and (x2,y2) to prove to yourself that the slope calculation is unaffected.
Slope is usually represented by the letter 'm' in the equations of lines.