Unit 3 Review

Front

What is the equation that represents the relationship between boxes and donuts if d = 8b?

Back

The equation d = 8b means that for every box, there are 8 donuts.

Front

If y represents cost and x represents yoga classes, what does the equation y = 15x indicate?

Back

The equation y = 15x indicates that for each yoga class, the cost is $15.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.

Front

What does the point (2, 94) represent in a savings context?

Back

The point (2, 94) means that after 2 weeks, they have saved $94.

Front

If the constant of proportionality is 10, what is the proportional equation?

Back

The proportional equation is y = 10x.

Front

How do you find the unit rate from a graph?

Back

To find the unit rate from a graph, divide the total amount by the number of units represented on the x-axis.

Front

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

Back

The slope represents the constant of proportionality between the two variables.

Front

What is the meaning of proportionality in mathematics?

Back

Proportionality means that two quantities increase or decrease at the same rate.

Front

If d = 0.125b, what does this tell us about the relationship between boxes and donuts?

Back

This means that for every box, there are 0.125 donuts, or 1 donut for every 8 boxes.

Front

What is the significance of the constant of proportionality in an equation?

Back

The constant of proportionality indicates how much one quantity changes in relation to another.