Inverse Laws of Sign

Using additive inverse, write this subtraction problem as an addition problem........0 - (-8)

• 0 + (- 8)

• 0 + 8

• 0 - 8

• 8 - 0

Subtracting is the same as adding the _____________.

• numbers

• additive inverse

• sum

• product

Using additive inverse, write this problem as an addition problem.

-22 - (-7)

• -22 + 7

• -22 + (-7)

• 22 + 7

• 22 + (-7)

Using additive inverse, write this subtraction problem as an addition problem.

15 - 45

• 15 + 45

• 15 + (-45)

• -15 + 45

• -15 + (-45)

• 15 - 45

For any number x, there exists a number −x, such that x + −x= 0.

• integers

• multiplicative inverse

• additive inverse

• absolute value

What is the opposite, or additive inverse, of -8?

• -8

• 8

• -16

• 0

How do you know that 5 and -5 are additive inverses (opposites)?

• Because they both have a 5

• They are the same distance from 0 and on opposite sides of 0

• Because they are the same

• They both are on a number line

An Additive Inverse of a number is...

• its opposite value.

• adding zero.

• adding a place value.

• the opposite of multiplication.

The additive inverse of any integer is?

• Its negative value

• Its positive value

• Neither negative nor positive

• None of these

What is a term used to describe the opposite of a number?

• rational number

• repeating decimal

• additive inverse

• terminating decimal