Module 1 Test pt.A

Front

What is the constant of proportionality in a graph showing total markers in boxes?

Back

The constant of proportionality is the ratio of the total number of markers to the number of boxes. In this case, it is 8.

Front

Write the equation relating miles traveled (y) and hours (x) for a trip of 390 miles in 6 hours.

Back

y = 65x, where 65 is the average speed in miles per hour.

Front

If Eliott plants 2 red roses for every 5 blue delphiniums, how many delphiniums will he plant if he uses 16 roses?

Back

Eliott will plant 40 blue delphiniums.

Front

Convert 15 quarts of lemon-lime soda to liters using the conversion 1 qt ≈ 0.946 L.

Back

15 qt is approximately 14.2 L.

Front

How much will it cost Anna to drive 434 miles if she averages 31 miles per gallon and gas costs $2.19 per gallon?

Back

It will cost Anna $30.66.

Front

Define constant of proportionality.

Back

The constant of proportionality is the constant ratio between two proportional quantities, often represented as k in the equation y = kx.

Front

What is the formula to calculate the cost of driving a certain distance based on miles per gallon and gas price?

Back

Cost = (Distance / Miles per Gallon) * Price per Gallon.

Front

If a recipe requires 2 cups of sugar for every 3 cups of flour, what is the ratio of sugar to flour?

Back

The ratio of sugar to flour is 2:3.

Front

What does it mean to convert units, such as quarts to liters?

Back

Converting units means changing a measurement from one unit to another while maintaining the same quantity.

Front

How do you find the total number of items in proportional relationships?

Back

Multiply the number of groups by the number of items in each group.