Scatter Plot Parallel and Perpendicular Lines

If the lines are parallel to each other and the slope of the blue line is 1/4, what is the slope of the purple line?

• 4

• -4

Tags

CCSS.8.EE.B.6

If the lines are parallel to each other and the slope of the blue is -1, what is the slope of the purple line?

• 1

• -1

• 5

• -3

Tags

CCSS.8.EE.B.6

• 2

• -2

Tags

CCSS.8.EE.B.6

Tags

CCSS.8.EE.B.6

Perpendicular lines have _________________ slope.

• The Same

• Opposite Reciprocal

Tags

CCSS.8.EE.B.6

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

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

Perpendicular lines have ________ slopes

• same

• opposite

• opposite reciprocal

• reciprocal

Tags

CCSS.8.EE.B.6

What slope is perpendicular to:  
m = 3

• -3

• -1/3

• 1/3

• 3

Tags

CCSS.8.EE.B.6

Select ALL of the lines that are PERPENDICULAR to y = 3/4x + 9

• y = 3/4x - 3

• y = -3/4x + 9

• y = -4/3x + 8

• 3y = -4x + 5

• 4y = -3x + 7

y = 5/7x +2
y = 5/7x - 30
These lines are...

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6