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- 1. 1.3 Algebraic Expressions<br />
- 2. Order of Operations<br />P Parentheses (Grouping Symbols)<br />E Exponents<br />M Multiplication<br />D Division<br />A Addition<br />S Subtraction<br />
- 3. Evaluate the expression by following the order of operations<br />
- 4. Evaluate the expression by following the order of operations<br />
- 5. From words to Algebraic Expressions<br />To write an algebraic expression that models a word phrase, look for words that suggest operations<br />Plus <br />Less than<br />Product<br />Half<br />Twice<br />
- 6. Write an algebraic expression that models each word phrase<br />Four more than a number w<br />The product of 8 and the sum of a number x and 3<br />
- 7. To model a situation with an algebraic expression:<br />Identify the action that suggests operations<br />Define one or more variables to represent the unknown(s)<br />Represent the actions using the variables and the operations<br />
- 8. Example: write an algebraic expression that models each situation<br />You start with $20 and save $6 each week. <br />Mike had $150, but he is spending $2 each day.<br />
- 9. Evaluating Algebraic Expressions<br />To evaluate an algebraic expression:<br />Substitute a number for each variable in the expression<br />Simplify using the order of operations (PEMDAS)<br />
- 10. Example: Evaluate each expression for the given values of the variables<br />
- 11. Example: Evaluate each expression for the given values of the variables<br />
- 12. Definitions<br /><ul><li>A term is an expression that is a number a variable, or the product of a number and one or more variables.
- 13. 3, w, 4x
- 14. A coefficient is the numerical factor of a term
- 15. 4x
- 16. A constant is term with no variables.
- 17. 6</li></li></ul><li>Definitions<br />Like terms have the same variables raised to the same powers.<br />To simplify algebraic expressions, combine like terms.<br />
- 18. SIMPLIFY BY Combining LIKE TERMS<br />
- 19. Simplify by combing like terms<br />
- 20. Simplify by combing like terms<br />
- 21. Simplify by combing like terms<br />

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