Sec 4.2-FocusAns-2

# Sec 4.2-FocusAns-2 - 1 3 3x 4 9x 2 – 2x – x 6 x 6 –...

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Multiplying Polynomials Elementary Algebra Focus Exercise Answers Section 4.2 2nd Edition 1. Term Coefficient Variable Cluster Degree of Term 5xy 7 5 xy 7 8 - 3x 4 y 2 - 3 x 4 y 2 6 5 8 y 2 5 8 y 2 2 - x 3 - 1 x 3 3 x 5 y 1 x 5 y 6 - 2w - 2 w 1 9 9 (none) 0 2. Polynomial In Descending Order Leading Coefficient Degree of the Polynomial 4x – 7x 3 - 7x 3 + 4x - 7 3 - 3 + x 2 + 6x x 2 + 6x – 3 1 2 1 – 2x 3 + 5x – 8x 2 - 2x 3 – 8x 2 + 5x + 1 - 2 3 2x 2 + 9 – x 3 – 4x - x 3 + 2x 2 – 4x + 9
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Unformatted text preview: - 1 3 - 3x 4 + 9x 2 – 2x – x 6- x 6 – 3x 4 + 9x 2 – 2x - 1 6 3. a) 4xy 2 b) - 7x 5 c) - 2y 3 d) 0 e) - y 3 + x 2 f) - 12x 2 + 5x 4. a) 12x 3 – 15x b) 24x 3 – 6 c) - 20x 2 + 8x – 24 d) 3y 4 – 2y 3 e) - 5x 2 + x – 3 f) x 4 + 2x 2 – 3 5. a) 3x 2 – 2x b) x 2 – 10x – 2 c) - 5y 2 + 7y + 7 d) 7x – 11 e) - 7x 2 + 2x – 2 f) 11x 3 + 11x – 10 If you notice any errors on this page, please alert your instructor....
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