Find the slope of (m) of AB for the following points: A (5,3), B (-2,1)
Sammy's formula is correct but he has substituted in the wrong values,
gradent(slope) = y(#2)-y(#1) / x(#2)-x(#1)
x 1=5, y 1=3,
x 2=-2 y 2=1
gradient = [y 2 - y 1] / [x 2 - x 1]
gradient = (1-3) / (-2-5) = -2 / -7 = 2/7