Direct Variation

Is this a direct variation?
y=2x

• yes
• no

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound
• $3.60 per pound
• $1.20 per pound
• $1.10 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

 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

TEKS.MATH.7.4C

Find the unit rate: $6.20 for 5 pounds of lemons. How much does it cost for 3 pounds of lemons?

• $3.72

• $1.24

• $1.84

• $3.00

Tags

CCSS.6.RP.A.3B

Which graph shows a proportional relationship between x and y?

• A
• B
• C
• D

Tags

CCSS.7.RP.A.2D

Write an equation for this relationship.

• y = 4x
• y = 1/8x
• y = 1/4x
• y = 8x

Tags

CCSS.5.OA.B.3

Write the equation for the table given.

• y = 1/3x
• y = 3x
• y = 1/2x

Tags

CCSS.5.OA.B.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

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