Direct and Indirect Variation

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

• Yes; 1/4
• Yes; 4
• Yes; 1/2
• No

Tags

CCSS.8.EE.B.5

CCSS.8.F.A.2

CCSS.8.F.B.4

Is this a direct variation?
y=2x

• yes
• no

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

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

• Yes; 8
• Yes; 16
• Yes; 24
• No

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

Which of the given graphs is a direct variation?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

 y varies directly with x, and y is 16 when x is 32. Which equation represents this situation?

• y=32x
• y=16x
• y=2x
• y=(1/2)x

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

Which variation is represented in the graph?

• Direct
• Inverse
• Neither

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.F.B.5

True or False:
An inverse variation is always a curve and a direct variation is always a line?

• True
• False

Tags

CCSS.8.F.B.5

Which graph shows direct variation  between x and y?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

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

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

Which of the following represents indirect variation?

• y = kx
• y = k/x
• y = x/k
• y = mx + b