1. 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

2. Cornell Notes

3. Using the Order of Operations and Powers Section 1.2

4. Objective TSWBAT  Simplify a power.  Simplify and evaluate an algebraic expression using order of operations.

5. Vocabulary Simplify

6. Powers Identify the base, the power and the exponent in:

7. Simplify 125 is the simplest form of five to the third power.

8. Example 1 Simplify the expressions a. b.

9. Simplify the expressions a. b. Practice

10. Order of Operations Parenthesis or other grouping symbols.  ( ), { }, [ ], (a fraction bar can act as a grouping symbol) Exponents Multiplication/Division (from left to right) Addition/Subtraction (from left to right)

11. What is the simplified form of each expression? a) b) Example 2

12. What is the simplified form of each expression? a) b) Practice

13. What is the value of each expression for x = 3 and y = 4? a) b) Example 3

14. What is the value of each expression for a = 3 and b = 4? a) b) Practice

15. Assignment Pg. 13 # 9-33 mult. of 3, 62-80 even