Proportionality Equation

A student studies the same amount of time each day for a test. In 4 days, she studied 60 minutes. Which equation shows this relationship? Let x = the number of days.

• y = 4x

• y = 15x

• y = 60x

• y = 12x 

Tags

CCSS.6.EE.C.9

Is the given table a direct variation? If so, what is the constant?

• Yes; 1/4

• Yes; 4

• Yes; 2

• No

Is this table proportional?

• No

• Yes

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

Tags

CCSS.7.RP.A.2B

Which best describes the graph represented in this table?

• proportional

• non-proportional

Tags

CCSS.7.RP.A.2A

What is the constant of proportionality in the table?

• 2

• 8

• 4

• 6

Tags

CCSS.7.RP.A.2B

Does the table represent a proportional relationship?

• Yes.

• No.

Tags

CCSS.7.RP.A.2A

The number of trees and the number of apples are given in the table above.  Determine which statement below is correct.

• The table is not proportional because the unit rate is not constant.

• The table is proportional and the unit rate is 1/13

• The table is proportional and the unit rate is 13.

• The table is not proportional because it doesn't pass through the origin.

Tags

CCSS.7.RP.A.2A

Using the table above, determine which statement is correct.

• The table is proportional and the unit rate is 100.

• The table is not proportional because the unit rate is not constant.

• The table is not proportional because it doesn't pass through the origin.

• The table is proportional and the unit rate is 0.01.

Tags

CCSS.7.RP.A.2A

Determine if the table above is proportional and how do you know?

• The table is proportional because the unit rate is a constant 0.33.

• The table is proportional because it passes through the origin.

• The table is proportional because the unit rate is a constant 0.28

• The table is not proportional because the unit rate is not constant.

Tags

CCSS.7.RP.A.2A