Warm Up

1. What is an algebraic expression for the word phrase:

9 less then the quotient of 6 and a number x

2. What word phrase can you use to represent the algebraic expression:

5x - 1

Using the Order of Operations and Powers

Section 1.2 A

Objective

TSWBATSimplify a power. Simplify and evaluate an algebraic

expression using order of operations.

Vocabulary

Simplify

Powers

Identify the base, the power and the exponent in:

35Identify the base, the power and the exponent in:

Simplify

12555553 • 125 is the simplest form of five to the third power.

Example 1

Simplify the expressions

a.

b.

c.

43

3

3

2

3

23

Simplify the expressions

a.

b.

Practice

35.0

510

Order of Operations

Parenthesis or other grouping symbols.( ), { }, [ ], < > (a fraction bar can act as a grouping

symbol)

ExponentsMultiplication/Division (from left to right)Addition/Subtraction (from left to right)

What is the simplified form of each expression?

a)

b)

Example 2

73512210 2

5141125

What is the simplified form of each expression?

a)

b)

Practice

2475 2

27

34 4

SummaryIn complete sentences, describe how to

solve this problem.

5141125

Assignment

Pg. 13-14 #1-35