Unit 4b Homework 1 Direct Variation

What is the constant of variation for the equation (-2y = -6x)?

• 3

• -3

• 6

• -6

Tags

CCSS.HSF-LE.A.1B

Does the equation \(x + 3y = 15\) represent a direct variation?

• Yes, with a constant of variation of 3

• No, it does not represent a direct variation

• Yes, with a constant of variation of 5

• Yes, with a constant of variation of -3

Does the set of values \((-6, -12), (-1, -2), (2, 4), (4, 8)\) represent a direct variation?

• Yes, with a constant of variation of 2

• No, it does not represent a direct variation

• Yes, with a constant of variation of -2

• Yes, with a constant of variation of 1/2

Determine whether the graph represents a direct variation. If yes, identify the constant of variation.

• Yes, constant of variation is 2

• No, it does not represent a direct variation

• Yes, constant of variation is 0.5

• Yes, constant of variation is 1

Determine whether the graph represents a direct variation. If yes, identify the constant of variation.

• Yes, constant of variation is 3

• No, it does not represent a direct variation

• Yes, constant of variation is -2

• Yes, constant of variation is 0

Determine whether the graph represents a direct variation. If yes, identify the constant of variation.

• Yes, constant of variation is 2

• No, it does not represent a direct variation

• Yes, constant of variation is 1

If the ordered pairs (5, 14) and (x, 28) vary directly, find the value of x.

• 10

• 15

• 20

• 25

If the ordered pairs (2, -6) and (5, y) vary directly, find the value of y.

• -15

• -12

• -9

• -18

If the ordered pairs (-3, y) and (-18, 12) vary directly, find the value of y.

• 2

• -2

• 3

• -3

Tags

CCSS.HSF-LE.A.1B

Find y when x = 14, if y = -3 when x = 6.

• -7

• -6

• -5

• -4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2