Answer:
Step-by-step explanation:
Part a:
a. Slope for line 1: (0 + 1)/(8 - 4) = 1/4
b. Slope for line 2: (-6 - 2)/(2 - 0) = -8/2 = -4
c. Slope for line 3: (-6 + 7)/(-3 - 6) = -1/9
Part b:
Line 1 and Line 2: perpendicular
Line 1 and Line 3: neither
Line 2 and Line 3: neither
