Question

Find the slope of the given lines:

1. (6, 5) & (9, 10)

2. (-3, 8) & (5, -6)

3. (-2, -4) & (-2, -6)

Answer 1

1. slope, m = (10-5)/(9-6) = 5/3
2. slope, m = (-6-8)/(5+3) = -14/8 = -7/4
3. slope, m = (-6+4)/(-2+2) = -2/0 = undefined