Module 12 Test Review

Matt had 5 library books. He checked 1 additional book out every week without returning any books. Which equation describes the number of books he has, y, after x weeks?

• y = 5x

• y = 5 - x

• y = 1 + 5x

• y = 5 + x

Stewart is playing a video game. He earns the same number of points for each prize he captures. He earned 1,200 points for 6 prizes, 2,000 points for 10 prizes, and 2,600 points for 13 prizes. Which is the dependent variable in the situation?

• the number of prizes captured

• the number of points earned

• the number of hours

• the number of prizes available

Which point is not on the graph of the equation y = 10 + x?

• (0,10)

• (3,13)

• (8,2)

• (5,15)

Amy gets paid by the hour. Her sister helps. As shown, Amy gives her sister part of her earnings. Which equation represents Amy's pay when her sister's pay is $13?

• y = 13/5

• 13=x/5

• 5=13y

• 13=5x

The table shows a bicycle rider moving at a constant rate of speed. What is the dependent variable in this situation?

• rate

• time

• speed

• distance

Use the ordered pairs shown in the table below. Which equation represents the data in the table?

• x = 1.5y

• x = 1/3 y

• y = 1.5x

• y = 2/3 x

Use the relationship shown on this graph. Which equation shows the distance y in terms of the number of hours x?

• y = 2x

• y = 50x

• y = x + 98

• y = 400 + 8x

The table below shows the number of miles a bicycle rider goes in 1, 2, and 3 hours. What are the two variables in the situation shown on the table?

• speed and time

• time and distance

• distance and speed

Use the ordered pairs in the table. Which equation shows how to get y if you are given x?

• x =2y

• y = 2x

• y = 1/2 x

The graph shows the relationship between the number of miles a person walks and the number of hours spent walking. What equation best describes the relationship between the two variables?

• t = 4d

• d = 4t

• t = d

• d = 1/4 t