Constant vs Varying Constant of Proportionality

Which best describes the graph represented in this table?

•  proportional

• non-proportional

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)

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

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

What is the constant of proportionality for the following graph?

• 80

• 20

• 40

• 160

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)

Identify the constant of proportionality.

• k = 25

• k = 50

• k = 100

• k = 1/50

• none (not proportional)

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

• y = k+x

• y = k-x

• y = kx

• y = k/x