Constant of Proportionality

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

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

What is the constant of proportionality? 

• 45 mph

• 90 mph

• 135 mph

• 2 mph

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

Identify the constant of proportionality.

• k = 6

• k = 12

• k = 1/6

• k = 1/12

• none (not proportional)

Identify the constant of proportionality.

• k = 5

• k = 1/5

• k = 1

• k = 2.5

• none (not proportional)

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

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

• unit rate

• ratio rate

• proportion answer

• rational number

The constant of proportionality in the equation y = ½x is _______. 

• x

• y

• 1/2

• 2

A proportional relationship can be written as an equation in the form ____ = _____  _____

• y = k+x

• y = k-x

• y = kx

• y = k/x