Quiz 1

What is the absolute value of 87?

• -87

• 87

What is the absolute value of -77?

• 77

• -77

• -13

• 13

What is the additive inverse of -13?

• -13

• 13

What does absolute value mean? Choose ALL that are correct.

• The number itself

• The number needed to make zero when you add

• A number's distance from zero

• The opposite of a number

Which is the greatest integer?

• -33
• -31
• -28
• -17

Which answer has the integers in order from least to greatest?

• − 9,   -5,  -3, 0,  4,  3
• − 9,   -5,  -3, 0,  3,  4
• − 5,   -9,  -3, 0,  4,  3
•  3, 4, 0, -3, -5, -9

-12 + 9

• 21
• 3
• -3
• -21

19 - (-19)

• 0
• 36
• 26
• 38

A mountain was 50 feet below sea level. Over time, the height increased 75 feet. How high is the mountain now?

• 25 feet

• -125 feet

• -25 feet

• -125 feet