Do Now: Simplify the algebraic expression 16y6 + 4y4 – 13y6 + 9 - 19.

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Simplifying Algebraic Expressions

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Presentation transcript:

Do Now: Simplify the algebraic expression 16y6 + 4y4 – 13y6 + 9 - 19

Homework answers 9x 8) 10p2 20y 9) 9x4 6c2 10)h2 30d 2f2 10a3 5k2

Goal: Learn to identify like terms and simplify algebraic expressions.

Write an expression using the side lengths. 2x + 3 + 3x + 2 + x Example Write an expression for the perimeter of the triangle. Then simplify the expression. 2x + 3 3x + 2 x Write an expression using the side lengths. 2x + 3 + 3x + 2 + x (x + 3x + 2x) + (2 + 3) Identify and group like terms. 6x + 5 Add the coefficients.

Write an expression using the side lengths. x + 2x + 1 + 2x + 1 Write an expression for the perimeter of the triangle. Then simplify the expression. 2x + 1 2x + 1 x Write an expression using the side lengths. x + 2x + 1 + 2x + 1 (x + 2x + 2x) + (1 + 1) Identify and group like terms. 5x + 2 Add the coefficients.

Identify like terms in the list. 1. 3n2 5n 2n3 8n 2. a5 2a2 a3 3a 4a2 Simplify. Justify your steps using the Commutative, Associative, and Distributive Properties when necessary. 3. 4a + 3b + 2a 4. x2 + 2y + 8x2 5n, 8n 2a2, 4a2 6a + 3b 9x2 + 2y

Write an expression for the perimeter of the given figure. 2x + 3y x + y x + y 2x + 3y 6x + 8y