Direct Variation Practice

For Box A, find the constant of proportionality (K).

• k=5.5

• k=.181818

• k=22

• Cannot solve for K

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

For Box E, find the "k"

• k= -5

• k= -.05

• k= -0.2

• Cannot solve for K

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

Which box shows a relationship where the constant of proportionality (K) is 64?

• C

• F

• B

• None of the above

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Write a direct variation equation to represent the relationship in box D.

• $y=\frac{1}{7}x$

• $y=7x$

• $y=.1428x$

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

Write a direct variation equation to represent the relationship in box F.

• $y=3.5x$

• $y=.2857x$

• $y=126x$

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

Which box can be represented by the equation  $y=\frac{1}{3}x$ ? 

• B

• G

• F

• Not here

Tags

CCSS.7.RP.A.2

y varies directly with x. When y = 39,  x = 3.  Find the value of y when x = 2.

• 26
• 3
• 58.5
• 2

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

The amount of money earned on a job directly varies to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

• $2
• $308
• $1.57
• $265

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Is this a direct variation?
y=2x

• yes
• no

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

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

• (0, 0)
• (1, 0)
• (0, 1)
• (1, 1)

Tags

CCSS.7.RP.A.2