Integers quiz

-21 + 19

• 2

• -2

• 40

• -40

7 + (-12) =

• 19

• -19

• 5

• -5

-21 + 2

• -23

• 23

• -19

• 19

-19 + (-24)

• -5

• 5

• 43

• -43

What is the opposite of 0

• 0

• -0

• doesn't have an opposite

• undefined

What is the opposite of 21

• 12

• -12

• -21

• 21

21 is a

• whole number

• integer

• rational number

• counting number

-45 is a

• whole number

• counting number

• integer

• rational number

What is the absolute value of 12

• 12

• -12

• 0

• 21

What is the absolute value of -15

• 15

• -15

• 51

• -51