Question

Tell whether the lines through the given points are parallel, perpendicular, or neither.
Line 1: (-6,10), (4,-2)
Line 2: (-8,-6), (0,4)

Answer 1

check the slopes. If equal, the lines are parallel

If they multiply to -1, the lines are perpendicular.

Answer 2

Tell whether the lines containing the following points are parallel, perpendicular or neither:
Line A with points (5, 3) and (-10, 0) and Line B with points (0, -4) and (-2, 6).