Direct Variation Math

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

• 26
• 3
• 58.5
• 2

Tags

CCSS.HSF-LE.A.1B

 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.7.EE.B.4

CCSS.7.RP.A.2

Is this a direct variation?

• yes
• no

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is another name for k?

• y- intercept
• x 
• slope
• x- intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What does the Direct Variation Equation look like?

• Y= kx
• y = mx + b
• y = b
• y = x

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

If y vaires directly with x and y= 12 when x= 15. What is the value of x when y= 16?

• 12.8
• 20
• 11.25
• 19

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

Is this proportional?
y=2x

• yes
• no

Tags

CCSS.7.RP.A.2D

Is this a direct variation?
y=2x

• yes
• no

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What does the Direct Variation Equation look like?

• y= kx
• y = mx + b
• y = b
• y = x

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Is this a direct variation?

• yes
• no

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3