some review

Front

What does it mean for two quantities to be directly proportional?

Back

Two quantities are directly proportional if they increase or decrease at the same rate. This means that the ratio of the two quantities remains constant.

Tags

CCSS.7.RP.A.2A

Front

If $70.00 is earned in 5 hours, how much is earned in 1 hour?

Back

$14.00

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the constant of proportionality in a direct variation?

Back

The constant of proportionality can be found by dividing the dependent variable (y) by the independent variable (x), or y/x.

Tags

CCSS.7.RP.A.2B

Front

What is the equation for direct variation?

Back

y = kx, where k is the constant of proportionality.

Front

If y = 19.25x, what is the constant of proportionality?

Back

19.25

Tags

CCSS.7.RP.A.2B

Front

What is the equation that represents 'eleven more than one third of a number is -1'?

Back

1/3x + 11 = -1

Tags

CCSS.HSA.CED.A.3

Front

How do you determine if a relationship is proportional?

Back

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

Tags

CCSS.7.RP.A.2A

Front

What is the solution to the equation 1/3x + 11 = -1?

Back

x = -36.

Tags

CCSS.7.EE.B.4A

Front

If a job pays $19.25 per hour, how much will be earned for 10 hours of work?

Back

$192.50

Tags

CCSS.7.EE.B.3

Front

What does it mean if a relationship is not proportional?

Back

It means that the ratio of the two quantities changes and is not constant.

Tags

CCSS.7.RP.A.2A