2-3/2-4 Flashcard

Front

What does 'simplify' mean?

Back

To make smaller or easier to understand.

Front

What is the constant of proportionality if k = 5?

Back

The constant of proportionality is 5.

Front

If Craig earns $37 for 4 hours, what is his hourly rate?

Back

$9.25 per hour.

Front

How do you calculate the unit rate for meters per second?

Back

Divide the total distance by the total time.

Front

What is the unit rate if a car travels 374 meters in 17 seconds?

Back

22 meters per second.

Front

What does it mean for a relationship to be proportional?

Back

A relationship is proportional if the ratio between two quantities is constant.

Front

If y = 5x, what is the ratio of y to x?

Back

The ratio of y to x is 5:1.

Front

What is the formula for finding the constant of proportionality?

Back

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

Front

If a table shows the values (2, 10) and (4, 20), is it proportional?

Back

Yes, the ratio y:x is 5:1.

Front

What is the unit rate for 100 miles in 2 hours?

Back

50 miles per hour.