Relationships Between Variables

The cost to operate a printer per page printed is $0.20. The table shows the total cost c based on the number of pages p printed. What is the total cost c to operate the printer if 420 pages are printed?

• $60

• $84

• $470

• $670

The linear equation y = 4x represents the number of pounds of clay y needed to make x bowls. Which ordered pair lies on the graph of the equation?

• (0,4)

• (2,2)

• (4,1)

• (6,24)

Write the equation for the table given

• y = x + 3

• y = 3x

• y = x - 3

• y = x/3

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.

• After 94 weeks, they save $2.

• After 1 week, they save $47.

• After 2 weeks, they save $94.

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

A food service worker earns $12 per hour. How much money, m, does the worker earn on a shift of h hours? Identify the dependent variable.

• money

• hours

Which equation matches the table?

• y = x + 5

• y = 6x

• y = x + 6

• times 6

Which of the following ordered pairs are located along the line in the given graph?

• (80, 2)

• (2, 160)

• (6, 240)

• (4, 320)

Complete the table and chose the graph of the equation.

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