Unit Rate: Word Problems, Tables, and Equations

What does k represent in the equation y = kx?

• independent variable
• constant of proportionality
• dependent variable
• krispy kreme

Tags

CCSS.7.RP.A.2C

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

• 45
• 90
• 135
• 2

Tags

CCSS.7.RP.A.2B

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound
• $3.60 per pound
• $1.20 per pound
• $1.10 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the constant rate for this table?

• 1/9
• 9
• 8

Tags

CCSS.7.RP.A.2B

Write an equation for this relationship.

Remember: y=kx

• y=1/5x

• y=1/2x

• y=2x

• y=5x

Tags

CCSS.7.RP.A.2C

Write an equation for this relationship.

Remember: y = kx

• y = 4x

• y = (1/8)x

• y = (1/4)x

• y = 8x

Tags

CCSS.7.RP.A.2B

What is the constant rate of the table?

• Yes
• No

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality?

• 1/3

• 3

• 6

• 1/6

Tags

CCSS.7.RP.A.2B

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Tags

CCSS.5.OA.B.3

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality? 

• $37
• $64.75
• $9.25
• $18.50

Tags

CCSS.7.RP.A.2B