C&S Inv 1 & 2 Review

Front

If it takes 3 cups of sugar to make 2 batches of cookies, how many batches of cookies can 18 cups of sugar make?

Back

12

Front

What is the constant of proportionality?

Back

The constant of proportionality is a constant value that relates two proportional quantities. In this case, it is $9.

Front

It takes Mary 10 minutes to bike 1.5 miles. It takes Shirley 20 minutes to bike 3 miles. Who is traveling faster?

Back

They're traveling at the same speed.

Front

Write an equation for this situation: If the constant of proportionality is 19.25, what is the equation?

Back

y=19.25x

Front

What is the constant of proportionality (in miles per hour) based on the table?

Back

45

Front

Define constant of proportionality in mathematical terms.

Back

The constant of proportionality is the ratio of one quantity to another when two quantities are proportional.

Front

What is the formula to find the constant of proportionality?

Back

k = y/x, where k is the constant of proportionality, y is the dependent variable, and x is the independent variable.

Front

If 4 apples cost $2, what is the cost of 10 apples?

Back

$5.

Front

What does it mean for two quantities to be proportional?

Back

Two quantities are proportional if they maintain a constant ratio.

Front

If a car travels 60 miles in 1 hour, how far will it travel in 3 hours?

Back

180 miles.