Direct Variation and Slope

Is the given table a direct variation? If so, what is the constant of variation?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

What is the slope of the line that passes through the points (-4, -1) and (-2, -5)?

• 1/2

• -1/2

• 2

• -2

Tags

CCSS.8.EE.B.5

When dealing with direct and inverse variation, the K represents what?

• Kangaroo

• K-Mart's Blue Light Special

• Constant

• King Cobra Snake

Tags

CCSS.HSF-LE.A.1B

Find the slope of the line that passes through
(10, 1) and (5, 2)

• 1/5

• -1/5

• 5

• -5

Tags

CCSS.8.EE.B.5

y varies directly with x, and y is 16 when x is 32. Find the k value and then write the equation

• y=32x

• y=16x

• y=2x

• y=(1/2)x

Is this a direct variation?

• yes

• no

Is this a direct variation?

• yes

• no

Which graph shows a graph with direct variation?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

• y=1344x

• y=100x

• y=5.25x

• y=4/21x

Which of the following has an undefined slope? Note, there is more than one correct answer.

• (4, 2), (6, 2)

• (-3, 5), (-3, 9)

• x = -3

• y = 2

• 

Tags

CCSS.8.EE.B.5