Is this a direct variation?
y=2x

• yes
• no

Tags

CCSS.HSF.LE.A.1

Does the table represent direct variation?

• Yes

• No

Tags

CCSS.7.RP.A.2B

Write the equation for the table given.

• y = 1/3x
• y = 3x
• y = 1/2x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

• 26
• 3
• 58.5
• 2

Which of the given graphs is a direct variation?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours? 

• $394
• $440
• $472.80
• $512.20

Tags

CCSS.7.EE.B.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

What is the equation of this line?

• 0
• undefined 
• y = -2
• x = -2

Eduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the constant of variation?

• k = 10
• k = 2
• k = 5
• k = 1/5

Tags

CCSS.HSF-LE.A.1B

At top speed, a rabbit can cover 7 miles in 12 minutes. What is the constant of variation?

• k = 7
• k = 12
• k = 12/7
• k = 7/12

Tags

CCSS.HSF-LE.A.1B