Constant of Proportionality Review

The constant of proportionality is the same as finding what?

• unit rate
• unit price
• all of the above

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

When we compare quantities, we compare them as _____ over ______. 

• x over y
• y over x
• rate over one
• peanut butter over jelly

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

Which best describes the relationship represented in this table?

• proportional
• non-proportional

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A proportional relationship can be written as an equation in the form:

• y = k+x
• y = k-x
• y = kx
• y = k/x

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Does the table represent a proportional relationship? If so, what is the constant?

• Yes, k=1/3
• Yes, k=3
• Yes, k=5
• No

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Write the equation for the table given.

• y = 1/3x
• y = 3x
• y = 1/2x
• y=x

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

Write an equation for the proportional relationship in the table.

• y=18x
• y=18.50x
• y=22.50x
• y=22x

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

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

• 2 mph
• 45 mph
• 90 mph
• 135 mph

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Write an equation for this situation.

• k=19.25x
• y=19x
• y=19.25x
• y=9.5x

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

Which graph shows a proportional relationship?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2