FLASHCARDZIZZ ON VARIATIONS

Front

What is direct variation?

Back

Front

If y varies directly with x and y = 12 when x = 3, what is the constant of variation k?

Back

Front

What is the formula for inverse variation?

Back

Front

If the time to complete a job varies inversely with the number of workers, what happens to the time if the number of workers increases?

Back

As the number of workers increases, the time to complete the job decreases.

Front

Calculate the calories burned by jogging for 30 minutes if Jack burns 150 calories in 20 minutes.

Back

Front

What does it mean if y varies directly with x?

Back

It means that as x increases, y increases proportionally, and vice versa.

Front

If y = 39 when x = 3 in a direct variation, what is y when x = 2?

Back

Front

What is the relationship between direct variation and linear equations?

Back

Direct variation represents a linear relationship that passes through the origin (0,0) with a slope of k.

Front

If 7 workers take 4 hours to complete a job, how long will it take 3 workers?

Back

Front

Back

The constant of variation is 5.