Constants of Proportionality

What is the constant of proportionality for this table?

• 1/9

• 9

• 8

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

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

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 in dollars per hour? 

• $37 / hour

• $64.75 / hour

• $9.25 / hour

• $18.50 / hour

Which of the tables above represents a proportional relationship?

• a & c

• a, b & c

• a, c & d

• all of them

Is this table proportional or non-proportional?

• Yes

• No

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

What is the constant of proportionality?

• 3

• 4

• 2

• 5

What is the constant of proportionality? 

• 45 mph

• 90 mph

• 135 mph

• 2 mph

Which best describes the graph represented in this table?

•  proportional

• non-proportional

Find the constant proportionality of 624 calories in 3 servings.

• 1,872 calories per serving

• 208 calories per serving

• 624 calories per serving

• 621 calories per serving