Direct/Inverse Variation

For direct variation, you ______.

• Add
• Subtract
• Multiply
• Divide

Tags

CCSS.8.EE.B.6

CCSS.8.EE.B.5

CCSS.8.F.B.4

Which of the following is NOT a direct variation?

• y = -2x

• y = x

• y=2/x

• 3y = 4x

The value of y varies directly with x. Which function represents the relationship between x and y if y = 30 when x = 6.

• y=20x

• y=84x

• y=5x

• y=3/7x

What kind of equation is this?

y=8/x

• Linear Equation

• Direct Variation

• Inverse Variation

• None of these

What does the Direct Variation Equation look like?

• y= kx
• y = mx + b
• y = b
• y = x

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

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.HSA.CED.A.2

CCSS.HSF.LE.A.2

CCSS.HSS.ID.C.7

Which of the given graphs is a direct variation?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

What kind of equation is this?

y=8/x

• Linear Equation

• Direct Variation

• Inverse Variation

• Joint Variation

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

• Yes; 1/4
• Yes; 4
• Yes; 2
• No

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.LE.A.2

CCSS.HSS.ID.C.7

What ordered pair does a direct variation always go through when graphed?

• (0, 0)
• (1, 0)
• (0, 1)
• (1, 1)

Tags

CCSS.8.EE.B.6