Topic 2 Test

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

• y
• x
• 14
• 1/14

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

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

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

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)