Writing Equations for Parallel and Perpendicular Lines

What is the slope of a line parallel to y = 2x + 1?

• 1/2

• -2

• -1/2

• 2

If a line passes through the point (1, 5) and is parallel to y = 2x + 1, what is its y-intercept?

• -2

• 2

• 3

• -3

For a line parallel to y = 3x - 4 and passing through (6, 4), what is the y-intercept?

• -14

• 14

• -4

• 4

What is the slope of a line perpendicular to y = 5x - 3?

• 5

• -1/5

• 1/5

• -5

If a line is perpendicular to y = 3/4x - 1 and passes through (8, -3), what is its slope?

• -4/3

• 4/3

• -3/4

• 3/4

For a line perpendicular to y = 3/4x - 1 and passing through (8, -3), what is the y-intercept?

• -23/3

• -3/23

• 23/3

• 3/23