Proportional Relationships Review

Find the value of the missing variable 5 pounds for $10.95; y pounds for $6.57

• y=1

• y=3

• y=14

• x=8

Determine if the table represents a proportional relationship. If so, give the constant of proportionality.

• Yes and the COP is 2

• Yes and the COP is 1

• No because their is no COP

• The COP is 5

• The COP is 3

• There is no COP

Write an equation for each table relating the x- and y-coordinates in the form y = kx. (find the COP for each order pair)

• y=7x

• x=7y

Check all that are true:

• proportional

• non-proportional

• straight line

• goes through origin

• does NOT go through origin

• y = -15x - 7

• y = 55x -15

• y = -7x - 15

• y = 10x + 85

Check all that are true:

• proportional

• non-proportional

• straight line

• goes through origin

• does NOT go through origin

• 6/0

• -4/3

• 3/4

• 2/7.5

• y = 10x -10

• y = 6x - 6

• y = 2x -2

• y = -x

• y = -15x + 7

• y = -15x + 100

• y = -100x + 7

• y = 100x - 15