Answer:
true
Step-by-step explanation:
The answer is b cause none of x is the same number
You put the x=6
6³-4(6)²-12(6)+15=15
Since the slope is rise/run, 1/6 goes up one, right 6. Perpendicular is opposite that. so a slope of -6 goes down 6 and right 1. (as a fraction it's -6/1)