Answer:
C
Step-by-step explanation:
Calculate the slope m using the slope formula
m =
with (x₁, y₁ ) = (4, 9) and (x₂, y₂ ) = (12, 20)
m = = → C
2p - 3q - 4r + 6r - 2q + p = 0
2p + p - 3q - 2q - 4r + 6r = 0
3q - 5q + 2r = 0