Compare Equation Graph Table

Which best describes the relationship represented in this table?

• proportional

• non-proportional

Does the table represent a proportional relationship? If so, what is the constant?

• Yes, k=1/3

• Yes, k=3

• Yes, k=5

• No

Write the equation for the table given.

• y = 1/3x

• y = 3x

• y = 1/2x

• y=x

Write an equation for the proportional relationship in the table.

• y=18x

• y=18.50x

• y=22.50x

• y=22x

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

What is the equation for Homework SOS?

• y = 10x + .5

• y = -10x + .5

• y = -.5x + 10

• y = .5x + 10

What is the equation for tree C?

• y = 3.5x + 10

• y = 3.5x - 10

• y = -3.5x + 10

• y = -3.5x -10

Write an equation for the table.

• y = 0.4x

• y = 025x

• y = 4x

• y = 0.04x

Albert wants to buy some pens. He compares 4 different packs of pens. Which two packs of pens have the same cost per pen?

• Packs 1 and 2

• Packs 1 and 3

• Packs 2 and 4

• Packs 1 and 4

The table represents the price of McDonald's Value Meals. What is the constant of proportionality?

• 5.25

• 10.50

• 5

• 2