Answer:
c. 6x -3y = 9
Step-by-step explanation:
The parallel line will have the x- and y-coefficients in the same ratio.
given line: 4 : -2 = -2 : 1
a: 3 : 6 = 1 : 2 . . . not it
b: 6 : 3 = 2 : 1 . . . not it
c: 6 : -3 = -2 : 1 . . . . the one you're looking for
d: 3 : -6 = -1 : 2 . . . not it
