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Lesson2

# Lesson2 - MA 15200 Lesson 2 Section P.1(part 2 I More on...

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1 MA 15200 Lesson 2 Section P.1 (part 2) I More on Evaluating Algebraic Expressions Reminder: The Order of Operations Agreement 1. Perform operations within the innermost grouping and work outwards. If the expression involves a fraction, treat the numerator and denominator as if they were each a group. Grouping can include parentheses, brackets, a root, or absolute value bars. 2. Evaluate all exponential expressions. 3. Perform multiplication and/or division as they occur, working from left to right. 4. Perform addition and/or subtraction as they occur, working from left to right. Ex 1: Evaluate: 2 3 3 12 2 3 4 ( 3) 1 - - - + Ex 2: Evaluate: 2 3 3 80 2 3 12 - ÷ - Ex 3: Evaluate: 2 2 2 (3 4) 3 12 8 3 2 11 - - - - + II Simplifying Algebraic Expressions The terms of an algebraic expression are those parts separated by addition (or subtraction). The numerical part of the term is called its coefficient. The parts of each term that are multiplied are called the factors of the term.

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