Unit 3.6: Slopes of Parallel and Perpendicular Lines

Find the slope of the line that goes through the points (-8,6) and (7,-3).

• 1/3
• -1/3
• -3/5
• -5/3

Tags

CCSS.8.EE.B.5

What direction is an undefined slope?

• horizontal
• vertical

Tags

CCSS.8.EE.B.5

Slopes of perpendicular lines are...

• opposite (sign) reciprocals.

• opposites.

• identical.

• always 7.

Tags

CCSS.8.EE.B.6

Two lines that are parallel will have ...

• Slope that is opposite reciprocals

• No slope

• Slope that is the same

• none of the above

Tags

CCSS.8.EE.B.6

Which two equations below are parallel?

• y = 2x + 1

  y = -1/2x + 1

• y = 2x + 3

  y = -2x + 3

• y = 2x - 1

  y = 1/2x - 1

• y = -x + 4

  y = -x + 2

Select the two lines that are parallel.

• None are parallel

Which of the following lines is PARALLEL to the graph of y = -6x + 3 and goes through the point (-1,4)?

• y=1/6x +25/6

• y = 1/6x + 4

• y = -6x - 2

• y = -6x + 4

Write the equation of a line PARALLEL to 3x - y = 2 that passes through the point (1, 5).

• y = 3x - 14

• y = 3x + 2

Select the two lines that are perpendicular.

• None are perpendicular.

Tags

CCSS.8.EE.B.6

Write the equation of a line PERPENDICULAR to y = -2x + 1 that passes through the point (2, 3).