Compare Graph, Table and Equations

Which of the function(s) above are linear?

• Function I, only

• Function II, only

• Function I and Function II, only

• Function I, Function II, and Function III

Which table(s) are nonlinear?

• Table 2, only

• Tables 2 and 3, only

• Tables 1 and 2, only

• Tables 2 and 4, only

• This is a Function
• This is Not a Function

• This IS a Function
• This is NOT a Function
• This is a linear function
• This is a toaster oven

What is the equation for Homework SOS?

• y = 10x + .5

• y = -10x + .5

• y = -.5x + 10

• y = .5x + 10

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month? (a)  

• Beth's service ($38 vs. $40) is cheaper

• Nate’s service ($42 vs. $44) is cheaper

• Nate’s service ($38 vs. $40) is cheaper

• Beth's service ($42 vs. $44) is cheaper

The graph shows the total money earned at a fundraising car wash. Which equation can be used to find the total earned y for the number of cars washed x?

• y = x + 5

• y = x/5

• y = x - 5

• y = 5x

What is the equation for tree C?

• y = 3.5x + 10

• y = 3.5x - 10

• y = -3.5x + 10

• y = -3.5x -10

Which mode of transportation travels farther to get to school & by how much?

• bus, 2 miles more

• bike, 2 miles more

• bus, 6 miles more

• bike, 6 miles more

The weight of Brandi's luggage is represented by the equation y = 40x, where y represents the weight in lbs and x represents the number of bags. The weight of Javier's luggage is represented in the graph. Compare their rates.

• Brandi's luggage weighs more because it weighs 40 lbs per bag.

• Javier's luggage weighs more because it weighs 40lbs per bag.

• Brandi's luggage weighs more because it weighs 30 lbs per bag.

• Javier's luggage weighs more because it weighs 30 lbs per bag.