Direct Variation Ordered Pairs

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

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

Mathematical Equivalence

ON

Tags

CCSS.HSF-LE.A.1B

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

Tags

CCSS.HSF-LE.A.1B

• 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

What type of variation is represented by the graph?

• direct

• inverse

• neither

The table represents a directly variated function. What is the value of the constant k?

• 50

• 2

• 1/2

• 6

Which represents the equation of a direct variation?

• y = mx + b

• y = k/x

• y = kx

• y = x

Which point does a direct variation always pass through?

• (0,0)

• (1,1)

• (0,5)

• None

If y varies directly as x, and x = 9 when y = 15, find y when x = 33.

• 27

• 20

• 55

• 4

Are the ordered pairs directly variated? If so, identify the constant k.

• no

• yes; 1/3

• yes; 2/3

• yes; 2