Addition and Subtraction of Polynomials.  A Polynomial is an expression comprised of one or more terms. Terms are separated by + or – (Polynomials are.

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Presentation transcript:

Addition and Subtraction of Polynomials

 A Polynomial is an expression comprised of one or more terms. Terms are separated by + or – (Polynomials are written in descending order by exponent)  A Monomial has one term.  A Binomial has two terms.  A Trinomial has three terms.  The Degree of a polynomial is the largest exponent.

 1) 7x 2 + x – 6  2) x 2 - x 3  3) 3a 2 b 4  4) 1 – x 3 + 3x – 2x 2

 1) (7x 2 + x – 6) + (10x 2 - 3x + 9)  2) (5x 2 + 2x – y) + (x 2 - 4x + 5)  3) (5a 2 b + ab + 2b) + (7a 2 b – 3ab – b)

 1) (-x 2 - 4x + 2) – (x 3 + 3x + 9)  2) (4x 2 - 3x + 6) – (x 2 - 7x + 8)  3) (x 2 - 5x + 4) – (4x 2 + 7x + 6)