Answer:
(x-4) (x+1)
step by step explanation:,
Step-by-step explanation:
Only D, y = 3x + 12 is in slope-intercept form.
Answer:
8a. 0 8b. -1/3
Step-by-step explanation:
slope formula: 
8a. => (8 + 12)/(17 - 17) = 20/0 = 0
8b. (1 + 2)/(-3 - 6) = 3/-9 = - 1/3