1-9 Direct Variation

Determine whether each linear function is a direct variation. If so,state the constant of proportionality.

• Not a direct variation

• Direct variation; k = 4

• Direct variation; k = 1/4

Determine whether each linear function is a direct variation. If so,state the constant of proportionality.

• Not a direct variation

• Direct variation; k = 10

• Direct variation; k = 1/10

Determine whether each linear function is a direct variation. If so,state the constant of proportionality.

• Not a direct variation

• Direct variation; k = 3

• Direct variation; k = 1/3

Determine whether each linear function is a direct variation. If so,state the constant of proportionality.

• Not a direct variation

• Direct variation; k = 25

• Direct variation; k = 1/25

Determine whether each linear function is a direct variation. If so,state the constant of proportionality.

• Not a direct variation

• Direct variation; k = 25

• Direct variation; k = 1/25

Determine whether each linear function is a direct variation. If so,state the constant of proportionality.

• Not a direct variation

• Direct variation; k = 12

• Direct variation; k = 1/12

Determine whether each linear function is a direct variation. If so,state the constant of proportionality.

• Not a direct variation

• Direct variation; k = 12

• Direct variation; k = 1/12

Determine whether each linear function is a direct variation. If so,state the constant of proportionality.

• Not a direct variation

• Direct variation; k = 1,077

• Direct variation; k = 1/1,077

Determine whether each linear function is a direct variation. If so,state the constant of proportionality.

• Not a direct variation

• Direct variation; k = 30

• Direct variation; k = 1/30

Determine whether each linear function is a direct variation. If so,state the constant of proportionality.

• Not a direct variation

• Direct variation; k = 250

• Direct variation; k = 1/250