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Which of the equations listed are parallel lines?

A:y=2x+ 3
B: y = 2x-5
C:y= -2x+ 3

1 Answer

6 votes

Answer:

A and B

Explanation:

Hello!

Parallel lines are lines with the same slope but different y-intercept.

y = mx + b

  • y = output, y-value, ordinate
  • x = input, x-value, abscissa
  • m = slope
  • b = y-intercept

A:

y = 2x + 3 has a slope of 2 and a y-intercept of 3.

B:

y = 2x - 5 has a slope of 2 and a y-intercept of -5

C:

y = -2x + 3 has a slope of -2 and a y-intercept of 3

Since A and B have the same slope but a different y-intercept, they are parallel lines.

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