Ratio Tables & Graphs

Front

What is a ratio table?

Back

A ratio table is a table that shows the relationship between two quantities, listing pairs of numbers that maintain a constant ratio.

Front

How do you find the unit cost?

Back

To find the unit cost, divide the total cost by the number of items purchased.

Front

What does it mean if two quantities are proportional?

Back

Two quantities are proportional if they maintain a constant ratio or rate.

Front

How can you represent a ratio graphically?

Back

You can represent a ratio graphically by plotting points on a coordinate plane that correspond to the pairs of numbers in a ratio table.

Front

What is the purpose of a graph in relation to ratio tables?

Back

A graph visually represents the relationship between two quantities, making it easier to see trends and patterns.

Front

If 3 DVDs cost $12, what is the cost of 1 DVD?

Back

The cost of 1 DVD is $4.

Front

What is the formula for finding the cost of multiple items?

Back

Cost = Unit Price × Quantity.

Front

How do you determine the value of y from a table when x is given?

Back

Look for the row in the table where x matches, then read the corresponding y value.

Front

What is a coordinate plane?

Back

A coordinate plane is a two-dimensional surface formed by the intersection of a horizontal line (x-axis) and a vertical line (y-axis).

Front

What does the slope of a line represent in a graph?

Back

The slope represents the rate of change between the two quantities being compared.