JGBMS Benchmark 3 Review Constant of Proportionality

Which has the lowest unit price?

• $24 for 40 pounds

• $5.40 for 18 pounds

• $10 for 20 pounds

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $200 earned for every 2 hours worked
  is the unit rate
• $500 is earned for every 8 hours worked
• $300 is earned after working 4 hours

What is the constant of proportionality and what does it represent? (y over x!)

• constant = 3,

  3 dollars per hour

• constant = 4,

  4 dollars per hour

• constant = 9,

  9 hours per dollar

• constant = 9,

  $9 per hour

Is this table proportional? (y divided by x)

• Yes

• No

What is the constant of proportionality? (y divided by x)

• 20 cups per pound

• 4 cups per pound

• 1/5 cups per pound

• 5 cups per pound

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Tags

CCSS.7.RP.A.2B

If Justin ordered 5 ice cream bars for $12.25, how much was each ice cream bar? (money on the top!)

• $2.45

• $4.00

• $7.25

• $1.25

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

Tags

CCSS.7.RP.A.2B

A box of cereal cost $3.60 for 30 oz. How much is the unit rate per ounce?

• 11 cents

• 12 cents

• 13 cents

• 10 cents

What makes a graph proportional?

• Straight line
• The line goes through the origin
• Curvy line
• Straight line and the line goes through the origin

Tags

CCSS.7.RP.A.2D