7.7A y=mx+b

Tickets are on sale for a basketball game at the Alamo-dome in San Antonio, Texas. Each ticket sells for $74.50. Bus shuttle prices to the event cost $15 per family. Which equation can be used to determine c, the total cost to attend the game if t tickets are purchased by the Loza family?

• c = 74.50t+15

• c = 15t + 74.50

• c = 74.50 + 15

• t = 74.50c+15

A table is shown. Which equation identifies the relationship in the table?

• y = 2x - 5

• y = 2x + 5

• y = -2x + 5

• y = -2x - 5

Izaac created this graph for a math project. Which equation did Izaac use to create the graph?

• y = x + 2

• y = 2x + 1

• x = 2y + 1

• y = 3x + 1

Which equation represents the relationship between the x-values and the y-values in the table?

• y = 2x + 12

• y = 4x + 6

• y = 2x + 4

• y = 6x + 4

The graph shows the relationship between the weight of artifical Martian dirt (in kilograms) and the cost. What is the cost per kilogram of Martian dirt?

• $20 per kg

• $100 per kg

• $500 per kg

• $25 per kg

Which equation shows the relationship between x and y?

• y = 11x + 2

• y = 8x + 3

• y = 4x + 3

• y = 2x + 8

Which equation shows the relationship between x and y in the graph?

• y = -2x + 1

• y = 2x + 1

• y = 2x - 3

• y = -2x - 3

 $y=-50x+750$  Which of the following does NOT match the equation shown?

• A swimming pool had 750 gallons of water in it at the beginning of the day. The water is being drained at a constant rate of 50 gallons per hour.

• Coach Quintero saved $50 a month until he had a total of $750 to buy a new soccer goal.

• A skier ascended 750 feet up a mountain, and then skied down the mountain at a rate of 50 meters per minute.

• A charged cell phone has 750 volts of power. Each hour, approximately 50 volts of power are used by the owner.

At a video game rental store, you can buy a membership to rent games at a cheaper price. Based on the table, what is the membership fee?

• $20

• $10

• $70

• $2

At a video game rental store, you need to pay a $20 membership fee to rent the video games at a cheaper price. Based on the table, what is the cost per video game?

• $2

• $20

• $10

• $5