5.4 Graphing Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

Front

How do you graph a ratio?

Back

To graph a ratio, plot points on a coordinate plane where the x-coordinate represents one quantity and the y-coordinate represents the other quantity.

Front

What does the ordered pair (3,4) represent on a graph?

Back

The ordered pair (3,4) represents a point where the x-coordinate is 3 and the y-coordinate is 4.

Front

If a ratio is 5:3, what does it mean?

Back

It means for every 5 units of the first quantity, there are 3 units of the second quantity.

Front

How can you find a missing value in a ratio?

Back

You can use cross-multiplication or set up a proportion to find the missing value.

Front

What is the relationship between walking and running in Kiara's routine?

Back

Kiara walks for 20 minutes and runs for 2 minutes, creating a walking to running ratio of 10:1.

Front

What is an example of a ratio in a recipe?

Back

In a recipe, if you use 2 cups of sugar for every 8 cups of flour, the ratio of sugar to flour is 1:4.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor.

Front

What does the graph of a ratio look like?

Back

The graph of a ratio typically shows a straight line if the relationship is proportional.

Front

If Kiara runs for 7 minutes, how many minutes would she have walked if the ratio is 10:1?

Back

If Kiara runs for 7 minutes, she would have walked 70 minutes.