Slope and Parallel and Perpendicular Lines Test

Perpendicular lines have _________________ slope.

• The Same

• Opposite Reciprocal

Tags

CCSS.8.EE.B.6

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

What slope is parallel to:

m = 4

• 4

• -1/4

• -4

• 1/4

Tags

CCSS.8.EE.B.6

Are these lines parallel, perpendicular, or neither?

• parallel

• perpendicular

• neither

Tags

CCSS.8.EE.B.6

What is the slope of any line perpendicular to the line 9x + 4y = 7 ?

• -4/9

• -9/4

• 9/4

• 4/9

Tags

CCSS.8.EE.B.6

What slope is parallel to:  
m = 4

• 4

• -1/4

• -4

• 1/4

Tags

CCSS.8.EE.B.5

Choose the best answer to fill in the blanks. Parallel lines always have the ​ (a)   slope. Perpendicular lines have slopes that are ​ (b)   . The product of perpendicular slopes always equals ​ (c)  

• same

• negative reciprocals

• -1

• reciprocals

• 1

• different

Tags

CCSS.8.EE.B.6

Find the slope of a line parallel to the line below y = ½x + 4

• 1/2
  

• -1/2

• 2

• -2

Tags

CCSS.8.EE.B.5