Constant Proportional

Which of the tables above represents a proportional relationship?

• a & c

• a, b & c

• a, c & d

• all of them

What is the constant of proportionality? (Unit rate)

• 2 swings / 1 day

• 0.5 swings / 1 day

• 4 swings / 1 day

• None of the above

Is this table proportional or non-proportional?

• Yes

• No

What is the constant of proportionality?

• 3

• 4

• 2

• 5

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

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

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

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

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

• y = 30k

• y = 30x

• y = 0.03x

• y = 9x

What is the constant of proportionality of the graph above?

• 16

• 1/16

• 1

• None of the above

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

• 15k

• x = 15y

• y = 0.06x

• y = 15x