# 1-8 notes - = -253 , 1 Multiplication Property of -1 For...

This preview shows pages 1–6. Sign up to view the full content.

Section 1-8 Properties of Real Numbers Commutative Property of addition a + b = b + a Example : 4 + 6 = Commutative Property of Multiplication a b b a = Example: = 8 9 Associative Property of Addition ) ( ) ( c b a c b a + + = + + Example : = + + ) 5 4 ( 3

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Associative Property of Multiplication ) ( ) ( c b a c b a = Examples : 4 ) 2 3 ( ) 4 2 ( 3 = Identity Property of Addition a a = + 0 Examples: = + 0 9 Identity Property of Multiplication a a = 1 Example : = 1 9
Inverse Property of Addition For every a, there is an additive inverse –a such that a + (-a) = 0 Example: = - + ) 6 ( 6 Inverse Property of Multiplication For every a ) 0 ( a , there is a multiplicative inverse a 1 such that 1 ) 1 ( = a a Example : = 5 1 5 Multiplication Property of Zero For every real number n, 0 0 = n Examples:

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: = -253 , 1 Multiplication Property of -1 For every real number n, n n-= -1 Examples: 1) = -) 53 ( 1 2) =--) 32 ( 1 Example Name the property that each equation illustrates. 1) 2 1 2 1-= +-2) ) 3 4 ( 3 ) 4 ( = d d 3) 12 4 ) 3 ( 4-=-x x 4) 4 1 4-=- Example Tell whether the expressions in each pair are equivalent 1) 2 3 + x and x + 1 3 2) c 5 3-and 3 5-c 3) ) 9 4 (--and 4 9-4) rt xyz and zrt y x Example Simplify each expression 1) x x 6 3 12 + + 2) 2 1 5 4 2 4 1 5 2 1 4 +-+ Homework #____: p. 56 (1-10 and 31-39)...
View Full Document

## This note was uploaded on 05/16/2011 for the course ALGEBRA 098 taught by Professor Johnson during the Spring '09 term at Grand Valley State University.

### Page1 / 6

1-8 notes - = -253 , 1 Multiplication Property of -1 For...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online