signed integers

Front

What is a signed integer?

Back

A signed integer is an integer that can be either positive or negative, represented with a '+' or '-' sign.

Front

What is the result of 7 - (-4)?

Back

11

Front

How do you subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the result of -15 - 3?

Back

-18

Front

What is the result of (-4) + (-5)?

Back

(-9)

Front

What is the result of -15 ÷ 3?

Back

-5

Front

What is the result of 12 - (-12)?

Back

24

Front

What is the rule for adding two negative integers?

Back

When adding two negative integers, the result is negative and the absolute values are added.

Front

What is the rule for multiplying two negative integers?

Back

When multiplying two negative integers, the result is positive.

Front

What is the result of (-3) * (-4)?

Back

12