Proportional Relationships

The grocery store sells cantaloupes for $4.50 per pound. Write an equation to represent the cost, c, for the number of pounds of cantaloupes bought, p.

• c = 45p

• c = 4.5p

• p = 4.5c

• p = 45c

Tags

CCSS.6.EE.C.9

Which statement best describes this situation?

• Kevin earns $16.50 per hour.

• Kevin earns $8.00 per hour.

• Kevin earns $8.25 per hour.

• Kevin earns $8.50 per hour.

Tags

CCSS.6.RP.A.3B

• y = 2x - 15

• y = 15x +2

• y = -15x

• y = 15x

Tags

CCSS.HSF-LE.A.1B

Write an equation for this situation.

• y=9.75x

• y=19x

• y=19.25x

• y=9.5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

If the constant of proportionality is 7, which of the following is the correct proportional equation?

• y=7k
• y=k7
• y=kx
• y=7x

Tags

CCSS.7.RP.A.2C

Determine which equation does NOT represent a proportional relationship.

• y = -2x

• y = 3.4x

• y = 3x

• y = 5x - 7

Tags

CCSS.7.RP.A.2C

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the constant of proportionality?

• 45

• 50

• 27

• 1

Tags

CCSS.7.RP.A.2B

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

Tags

CCSS.7.RP.A.2B

Determine the constant of proportionality for the table. Express your answer as y = kx

• 15k

• x = 15y

• y = 0.06x

• y = 15x

Tags

CCSS.7.RP.A.2B