Proportional Equations, Tables & Graphs

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

Front

What is the equation of a line in slope-intercept form?

Back

Front

How do you find the unit rate from a graph?

Back

To find the unit rate from a graph, identify the coordinates of a point on the line and divide the y-value by the x-value.

Front

What does the slope of a line represent in a proportional relationship?

Back

The slope of a line represents the rate of change between the two quantities in a proportional relationship.

Front

If a graph shows a straight line through the origin, what does this indicate?

Back

A straight line through the origin indicates a proportional relationship between the two quantities.

Front

What is the unit rate of 10 miles in 2 minutes?

Back

The unit rate is 5 miles per minute.

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first quantity as the numerator and the second quantity as the denominator.

Front

What is the cost per pound if 7.5 pounds of chicken salad cost $60?

Back

The cost per pound is $8 per pound.

Front

What does the point (x, y) represent on a graph?

Back

The point (x, y) represents the value of the dependent variable (y) when the independent variable (x) is at a specific value.

Front

How do you determine the total cost from a table of values?

Back

To determine the total cost from a table of values, find the corresponding value for the quantity you are interested in.