Question

A, B, C, and D have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. Which sentence about the points is true?

Answer 1

A, B, C, and D lie on the same line.
and are perpendicular lines.
and are parallel lines.
and are intersecting lines but are not perpendicular.
and are parallel lines.

Answer 2

find the slope of AB,BC and CD