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Learn about the Remainder Theorem when dividing polynomials by x-a and the formulas for sums and differences of cubes.
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Ch6 (6-3 & 6-4) Portfolio Page -- Algebra 2 Remainder Theorem If a polynomial of degree 1 or greater is divided by x – a, the remainder is P(a). (This means the remainder is equal to the value of the polynomial when a is substituted in for x)
Sum and Difference of Cubes a3 + b3 = (a + b)(a2 – ab + b2) *signs: +, - , + a3 – b3 = (a – b)(a2 + ab + b2) *signs: -, +, +