Question 112037
First find the slope through (9, 2) and (3, –8)


*[invoke slope 9, 2,3, -8]


Now find the slope through (–3, 5) and (5, –1)


*[invoke slope -3, 5,5, -1]


Since the slopes are not equal and are not negative reciprocals of one another, they are neither parallel nor perpendicular.