Intro to Parallel and Perpendicular Slopes

Slopes of parallel lines are...

• opposite reciprocals.
• opposites.
• the same.
• always 7.

Tags

CCSS.8.EE.B.5

Slopes of perpendicular lines are...

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

Tags

CCSS.8.EE.B.6

What slope is parallel to:  
m = 3/4

• 4/3
• 3/4
• -3/4
• -4/3

Tags

CCSS.8.EE.B.6

What slope is parallel to:  
m = 4

• 4
• -1/4
• -4
• 1/4

Tags

CCSS.8.EE.B.6

What is the slope of a line perpendicular to 5?

• 5

• 1/5

• -1/5

• -5

Tags

CCSS.8.EE.B.5

What is the slope of a line perpendicular to -10/3

• -10/3

• 10/3

• 3/10

• -3/10

Tags

CCSS.8.EE.B.5

Parallel lines cross one another, or intersect.

• true

• false

Tags

CCSS.HSG.CO.A.1

Are these lines parallel?

y = (-1/2)x + 1

y = (1/2)x - 5

• YES

• NO

Tags

CCSS.8.EE.B.6

Are these lines parallel?
y = 12x + 4
y = 12x +14

• YES
• NO

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Are these lines perpendicular?
y = 4x + 2
y = (-1/4)x + 12

• YES
• NO

Tags

CCSS.8.EE.B.6