Direct Variation Note

Identify the constant of variation in the given set of values on given graph.

• 1/2

• -1/2

• 2

• -2

• direct variation

• inverse variation

• neither

• both

Identify the constant of variation in the given set of values below:

• -3/15

• 1/5

• 3/15

• -1/5

Identify the constant of variation in the given set of values on given graph.

• 2/3

• -2/3

• 3/2

• -3/2

A direct variation is a special relationship in which there is a constant ​ (a)  

• Ratio

• proportion

• constant

• equation

What point is always included in a direct variation? ​ (a)  

• (0, 0)

• (1, 1)

• (0, 5)

• None

If the ordered pairs below represent direct variation, find the missing value?

(-4, 16) and (x, -52)

Mathematical Equivalence

ON

Identify the constant of the ordered pairs below: { (12, 6) , ( 8, 4) , ( 14, 7 ) } Note: Simplify your answer, and write it in fraction or whole number. Don't use decimal equivalence.

Mathematical Equivalence

ON

Determine whether the equation given represents a direct variation, inverse variation, neither or both.

x + 2y = 0

• direct variation

• inverse variation

• neither

• both

If x and y vary directly, find the missing value : (4, y) , (-6, 15).

Note: Type in your answer directly.

Mathematical Equivalence

ON