Unit 4 Review

Slopes of parallel lines are...

• opposite reciprocals.

• opposites

• same

• always positive

Tags

CCSS.8.EE.B.5

Slopes of perpendicular lines are...

• opposite reciprocals

• opposites

• identical

• always negative

Tags

CCSS.8.EE.B.6

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.HSG.CO.A.1

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

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6

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

What is the slope of the perpendicular line?

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.6

Which equation is parallel to:

y = 5

• y = 5x + 2

• y = (-1/5) x

• y = 4

• y = x

Which equation is perpendicular to:

x = -5

• y = 1/5x

• y = -3

• y = -5x +3

• x = 4

Which line(s) are parallel to y=3x+1

• y= -3x -1
• y=-1/3+3
• y=3x
• None of them

What is the slope of the line that is perpendicular to

x + 2y = 2.3

• -1/2

• -2

• 2

• 1/2

Tags

CCSS.8.EE.B.5