Systems of Equations, Direct Variation, Proportional

Is this graph proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2D

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Tags

CCSS.7.RP.A.2D

Does the table represent a proportional relationship?

• Yes.
• No.

Tags

CCSS.7.RP.A.2A

Which graph is non-proportional?

• A
• B
• C
• D

Tags

CCSS.7.RP.A.2D

Write the equation for the table given.

• y = 1/3x
• y = 3x
• y = 1/2x

Tags

CCSS.6.EE.C.9

A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the constant of variation?

• k = 13
• k = 65
• k = 5
• k = 1/13

Tags

CCSS.HSF-LE.A.1B

Is this a direct variation?

• yes
• no

Joe says the graph is y = 4x. Beth says it's y = $\frac{1}{4}$ x. Who's correct? Why?

• Joe

• Beth

Tags

CCSS.8.EE.B.5

 y varies directly with x, and y is 84 when x is 16. What is the constant of proportionality?

• y = (21/4)x
• k= 21
• k= 5.25
• k= 4/21

Tags

CCSS.7.RP.A.2B

The amount of money earned on a job is directly proportional 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.6.RP.A.3C