Direct Variation

Front

y varies directly with x, and y is 84 when x is 16. What is the constant of proportionality?

Back

k= 5.25

Front

The amount of money earned on a job is directly proportional to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

Back

$308

Front

Is the given table a direct variation?

Back

No

Front

Equation for the table given.

Back

y = 3x

Front

Find the unit rate: $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

Back

$1.20 per pound

Front

Is this proportional?
y=2x

Back

yes

Front

Which of the given graphs is a direct variation? Options: A, B, C, D

Back

C

Front

What ordered pair does a direct variation always go through when graphed? Options: (0, 0), (1, 0), (0, 1), (1, 1)

Back

(0, 0)

Front

Is this a direct variation?

Back

yes

Front

What is another name for k?

Back

slope