Slopes of Parallel and Perpendicular Lines

Perpendicular lines have the same slope.

• True
• False

Tags

CCSS.HSG.CO.A.1

The slope of perpendicular lines are negative reciprocals

• True
• False

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Parallel lines have the same slope

• True
• False

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

The following two numbers are negative reciprocals of each other
2 and -1/2

• True
• False
  

Find the slope of a line parallel to the line below.
y = 2x + 4

• 2
• -1/2
• 1/2
• -2

Tags

CCSS.8.EE.B.5

The following represents slopes of two lines.  Which answer choice describes the two lines?
m = 5 and m = -1/5

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6

The following represents slopes of two lines.  Which answer choice describes the two lines?
m = -1/3 and m = -1/3

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.5

Which line is parallel to
y = 2x - 7  ?

• y = -2x + 8
• y = ¹/₂x - 7 
• y = ^-1/₂x + 2
• y = 2x - 3 

Which line is perpendicular to
y =  x + 9  ?

• y = - x + 8
• y = ¹/₂x + 9 
• y = ^-1/₂x + 9
• y = x - 9 

What is the slope of a line perpendicular to a line with slope ^-6/₅ ?

• ^-6/₅
• ^-5/6
• ⁵/₆
• ^-4/₃

Tags

TEKS.MATH.8.4A