Parallel and Perpendicular Lines

Two lines that are parallel will have ...

• Slope that is opposite reciprocals

• No slope

• Slope that is the same

• none of the above

Two lines that are perpendicular lines have ...

• Slope that is opposite reciprocals

• No Slope

• Slope that is the same

• none of the above

Which is the equation of the line that is parallel to the graph of y = 5x + 7 and has a y-intercept at (0, -2)?

• y = 5x - 2

• y = -2x + 7

• y = 5(x - 2)

• y = -1/5x - 2

The total cost of renting a car is $22 per day, plus an initial fee of $55. Which equation best describes this relationship?

• c = 55d - 22

• c = 55 + 22d

• c = 22d - 55

• c = 22d + 100

What type of line does the picture represent?

• Parallel

• Intersecting

• Perpendicular

What slope is perpendicular to:

m = 3

• -3

• -1/3

• 1/3

• 3

y = 6x + 2

y = -6x + 2

These lines are...

• Parallel

• Perpendicular

• Neither

y = -2/3x + 2

y = 3/2x + 9

These lines are...

• Parallel

• Perpendicular

• Neither

A line is parallel to y = 2x - 7.

What is it's slope?

• -2

• 1/2

• -1/2

• 2

Which of the following lines goes through the point (0, 4) and is parallel to y = 5x - 3?

• y = 1/5x - 3

• y= 5x - 7

• y = 5x + 4

• y = -5x - 3