Direct Proportion Equation

• 20

• 4

• 5

• 24

• 125

• 5

• 25

• 100

• 48

• 3

• 144

• 100

Is the given table a direct variation? If so, what is the constant?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Solve the proportion:

• c=4

• c=8

• c=14

• c=10

Which of the following function represents a direct proportion?

• y=1/x

• y=2k/x

• y=kx

• y=0x

Y is directly proportional to X, when Y=8, X=4. Find the equation relating Y and X.

• Y=X

• Y=kX

• Y=2X

• Y=0.5X

Name the constant of proportionality.

• 8

• 16

• 6

• 3

Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

• y=1344x

• y=100x

• y=5.25x

• y=4/21x

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.