Question

What is the slope of the line that passes through the points (-3, 5) and (1, 15)

Answer 1

Slope = (Yb - Ya) / (Xb - Xa)
Slope = (15 - 5) / (1 - (-3))
Slope = (10) / (1 + 3)
Slope = 10/4
Slope = 2.5 or 5/2 or 2 and 1/4

Answer 2

5/2 is the slope of the line