Ratios and Proportions

A ___________ is a comparison of two numbers or measurements.

A __________ is a rate with a denominator of 1.

In your own words, define a proportion.

When graphing a proportion, the graph must do the following. Check all that apply.

• Be a straight line

• Go through the origin

• Not be a straight line

• Go through the point (0,0).

Which of the following is the equation for a proportion?

• y = k / x

• y = k x

• y = x

• y = h x

When looking at a table, how do we know if it represents a proportional relationship?

• We must have the point (0, 1)

• We have a constant ratio that we write as y / x

• The unit rate is 1

What is the k value in the following table?