Find the value of r so the line that passes through each pair of points has the given slope. (-4, 3), (r, 5), m= 1/4

Since m= 1/4 so 5-3/r-(-4)= 1/4
2/r+4 =1/4 so r+4=8 r= 4
if we put the value of r in the coordinates we will get the slope as 1/4

For range i think it’s area

Idon’t see a picture