Equations from Graphs, Tables, Stories

Is the graph proportional or non proportional?

• proportional

• non proportional

• both

• neither

Is the picture showing an additive or a multiplicative relationship?

• Additive

• Multiplicative

• A

• B

• C

• D

Is the graph proportional or non proportional?

• proportional

• non proportional

• both

• neither

What algebraic equation shows the relationship between the independent and dependent variables?

• y = ax

• y = x + 12

• y = -3x

• y = 

What is the constant of Proportionality for this table?

• 1/9

• 9

• 8

What is the function of the table?

• y=3x+1

• y=4x-2

• y=x+1

• y=x+7

A driving range charges $4 to rent a golf club plus $2.75 for every bucket of golf balls you hit. Write an equation that shows the total cost c of hitting b buckets of golf balls.

• c = 2.75b + 4

• c = 2.75b

• c =  4b- 2.75

• c = 2.75b - 4

You earn $18 for every hour you work. Which equation represents this function?

• y=(18/2)x + 0

• y = 18x

• y = 2x + 18

• y = 18x + 2

You are visiting Houston, Texas and a taxi cab company charges a flat rate of $4.00 for using the cab and $0.95 per mile.  Write an equation to determine the cost when x miles is driven.

• y = .75x

• y = .95x

• y = .95x + 4

• y=4.95x