Algebra

Determine the constant of variation for the direct variation given.
(0, 0), (3, 12), (9, 36)
3
4
12

Determine the constant of variation for the direct variation given

1/2
1
2

Determine the constant of variation for the direct variation given.
Fat calories varies directly with the grams of fat. There are 27 calories for each 3 grams of fat.

1/9
3
9

R varies directly with S. When S is 16, R is 80.

1/5
5
16

Which of the following functions is a direct variation?

f(x) = 2x
f(x) = x + 2
f(x) = 2

The points (5, 25) and (10, 50) lie on the graph. k = y/x, so k = 25/5, or 50/10, etc.

5
10
50

The table below shows a direct variation. What is the value of m?



x y
12 24
18 m
24 48

2
24
30
36

Tomar's paycheck varies directly with the hours he works. When Tomar works 5 hours, he gets paid $60.00. How much does Tomar make in 8 hours?

$75
$80
$96
$120

Y varies directly with X and has a constant rate of change of 6. When the value of Y is 11, then the value of X could be _____.

equal to zero
less than 2
equal to 6
greater than 11

Select all of the following that are a direct variation.
Songs are 99 cents each to download.
Tickets for rides at the fair are $1 each.
Arcade games are 50 cents or $1.
To go tubing it is $5 to rent the tube and $7 for each hour.