Adding and subtracting polynomials. Types of polynomials Monomial Binomial Trinomial Polynomial 1 2x 7xy⁵ -12a + b w - m² a² + x⁴ - n³ x + d – 3y + m⁸.

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Presentation transcript:

Adding and subtracting polynomials

Types of polynomials Monomial Binomial Trinomial Polynomial 1 2x 7xy⁵ -12a + b w - m² a² + x⁴ - n³ x + d – 3y + m⁸ Examples of things that are NOT types of polynomials 2n2n 2n⁻¹ xⁿ4ⁿ

Degree of a polynomial 4x² +x The degree is…… 2 5x³ -3x²y² + 2y The degree is…… 4

Adding polynomials (2x³ -5x² + x) + (2x² +x³ -1) 3x³ -3x² + x -1 (3x² + x - 6) + (x² + 4x + 10) 4x² + 5x + 4 Leading coefficient

Subtracting polynomials (4n² + 5) + (+2n² - 2n + 4) 6n² -2n + 9 (4x² - 3x + 5) - (3x² + x – 8 ) x² - 4x + 13 (4n² + 5) - (-2n² + 2n - 4) (4x² - 3x + 5) + (-3x² - x + 8)

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