Mid-Module review

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14
• 1/14

y=kx.  What does the k represent?

• constant of proportionality
• multiplier
• scale factor
• all of these are correct

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

• y = k+x
• y = k-x
• y = kx
• y = k/x

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)

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

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

What makes a graph proportional?

• Straight line

• The line goes through the origin

• Curvy line

• Straight line and the line goes through the origin

What is the constant of proportionality for the following graph?

• 80
• 20
• 40
• 160

What is the constant of proportionality of the relationship represented by the table above?

• 75
• 0.013
• 1/75
• None of the above

What is the constant of proportionality of the graph above?

• 16
• 1/16
• 1
• None of the above

Is the graph proportional or non-proportional?

• Proportional
• Non-Proportional