Summary: Review Topics
Key Equations
-
- describes the commutative property of addition.
- describes the commutative property of multiplication.
- describes the associative property of addition.
- describes the associative property of multiplication.
- describes the distributive property of multiplication over addition or subtraction.
- describes use of the distributive property from the right by the commutative property of multiplication.
- for all real
- is undefined for all real .
- describes the identity property of addition. is called the additive identity.
- describes the identity property of multiplication. is called the multiplicative identity.
- describes the inverse property of addition. is call the additive inverse of .
- describes the inverse property of multiplication. is called the multiplicative inverse of .
Glossary
- irrational number
- a number that cannot be written as the ratio of two integers and whose decimal form neither terminates nor repeats
- real numbers
- the set of real numbers includes all rational numbers and all irrational numbers
- rational number
- a rational number is a number that can be written in the form , where and are integers and