6.1b Adding And subtracting polynomials

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Presentation transcript:

6.1b Adding And subtracting polynomials Objective- Students will be able to add and subtract polynomials State Standard – 3.0 Students are adept at operations on polynomials

6.1b Adding & Subtracting Polynomials Example 1 Adding & subtracting can be done both vertically and horizontally by matching up like terms. 3x3 + 2x2 – x – 7 + x3 – 10x2 + 8 4x3 – 8x2 – x + 1 Example 2 (2x2 + 3x) – (3x2 + x – 4) = 2x2 + 3x – 3x2 – x +4 = -x2 + 2x + 4

Adding & Subtracting Polynomials Example 3 -2x4 – 3x3 + 5x2 – 2x – 3 + 8x4 + x3 – 10x2 + 3x + 8 6x4 – 2x3 – 5x2 + x + 5

Adding & Subtracting Polynomials Example 4 (6x2 + 9x) – (2x2 + x – 3) = 6x2 + 9x – 2x2 – x + 3 = 4x2 + 8x + 3

6.1 Homework Page 315-316 1-4, 25, 26, 37-39, and 46-48