Parallel and Perpendicular Lines

Slopes of parallel lines are...

• opposite reciprocals.
• opposites.
• identical.
• always 7.

y = 3x +2
y = 3x - 3
These lines are...

• Parallel
• Perpendicular
• Neither
• The same line

Tags

CCSS.8.EE.C.8B

-6x + y = 2
6x + y = 2
These lines are...

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.C.8B

y = -2/3x + 2
y = 3/2x + 9
These lines are...

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6

What is the equation of this line in slope-intercept form?

• y = 2x + 5
• y = -2x + 5
• y = -2x
• y = 5

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSG.GPE.B.5

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

What is the slope of this line?

• -2

• 1/2

• -1/2

• 2

What slope is parallel to:  
m = 4

• 4
• -1/4
• -4
• 1/4

What is the slope parallel to the given line?

• -7/3
• 3/7
• -3/7
• 7/3

Tags

CCSS.HSG.CO.C.11

What is the slope perpendicular to the given line?

• -7/3
• 3/7
• -3/7
• 7/3

Tags

CCSS.7.G.B.5

Find the slope of the line.

• Undefined
• 0
• 1
• -1

Tags

CCSS.8.EE.B.5