Constant Rate of Change/Slope/Direct Variation

Which of the given graphs is a direct variation?

• A
• B
• C
• D

When graphing slope we....

• Run / Rise

• Rise / Run

• (rise, run)

• Run far away.

Which of the following are ways to find the rate of change?

• change in y over change in x

• rise over run

• subtract y coordinates over subtract x coordinates

• all of the above

Calculate the rate of change.

• 6

• 1/6

• 10

• 4

What is the constant of proportionality for this table?

• 1/9

• 9

• 8

• 1/8

Tags

CCSS.7.RP.A.2B

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Tags

CCSS.8.EE.B.5

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

Tags

CCSS.7.RP.A.2A

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.2B

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

• 40 CALORIES PER MIN.
• 15 CALORIES PER MIN.
• 4 CALORIES PER MIN.
• 60 CALORIES PER MIN.

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3