Math 7 Topic 2 Assessment

Front

What is the rate of boxes packed by a machine that packs 2/3 a box every 1/2 a minute?

Back

4/3 boxes per minute.

Front

What defines a proportional relationship in a graph?

Back

A proportional relationship is one where the ratio of the two quantities is constant.

Front

How can you determine if a table represents a proportional relationship?

Back

Check if the ratios of corresponding values are constant.

Front

Which is the better buy: 22 ounce bag for $2.64 or 40 ounce bag for $5.60?

Back

22 ounce bag is the better buy.

Front

What does it mean if a graph represents a proportional relationship?

Back

It means that as one quantity increases, the other quantity increases at a constant rate.

Front

If a machine packs 2/3 a box every 1/2 a minute, how many boxes does it pack in 1 minute?

Back

It packs 4/3 boxes in 1 minute.

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Quantity / Total Time.

Front

What is a constant rate?

Back

A constant rate means that the quantity changes at a fixed amount over time.

Front

How do you calculate the cost per ounce of candy corn?

Back

Cost per ounce = Total Cost / Total Ounces.

Front

What is the significance of the slope in a proportional relationship graph?

Back

The slope represents the constant ratio between the two quantities.