Question

Two lines are parallel. The equation for the first line is y=-3x+5. Which of the following can't be the equation of the second line?

A. y=-3x+2
B. x-3y=-3
C. 3x+y=-6
D. 6x+2y=2 Two lines are parallel. The equation for the first line is y=-3x+5. Which of the following can't be the equation of the second line?
A. y=-3x+2
B. x-3y=-3
C. 3x+y=-6
D. 6x+2y=2 @Mathematics

Answer 1

Parallel lines can be distinguished by looking at the value of their slopes. These equations should have the same value of the slope. We are given the equation,

y=-3x+5

From the choices, we see that A, C and D have the same slope with the equation. Therefore, the correct answer is B, it is the equation that can't be parallel with the given equation.