On Level Semester 1 Final Review

The temperature dropped 12 degrees F over 6 hours. What integer represents the average change in temperature per hour?

• -2

• -3

• -4

• -6

A diver swims down 15 feet for every second. What integer represents his depth after eight seconds?

• 120

• -120

• 15

• -15

You have a credit of $20 in your account. If you make a purchase of $20, what is your account balance?

• $0

• $20

• -$20

• $40

Which two points on the number line share the same absolute value?

• -5 and 5

• -10 and 100

• -5 and 10

• -10 and 5

Martin walked around a square house that was x feet long on each side. Then he walked an additional 40 feet. Which person walked the same distance as Martin?

• George, who walked a rectangular room measuring x feet wide and 20 feet long.

• Emmett, who walked a straight distance of x + 40 feet.

• Lorraine, who walked around a square playground measuring x + 10 feet on each side.

• Biff, who walked around a parking lot measuring 40 feet on each side.

If the daytime temperature was 23 degrees and it dropped to -3 at night, what was the difference between the high and low temperatures?

• 20

• 26

• 23

• 3

If a bank account balance was at -$10 before depositing $35, what was the end balance?

• $25

• $45

• -$25

• $10

What is the value of x² if x=(-4)?

• 16

• -16

• 8

• -8

What is the value of y² if y=(-9)?

• 81

• -81

• 9

• -9

If John borrows $10 from his brother and then borrows $12 from his mom, how much does he owe in all? Use an integer to represent the amount owed.

• $22

• $2

• $20

• $12