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7th - 9th | Online class Learn about terms, coefficients, and exponents. The basic ingredients of polynomial expressions!
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6th - 9th | Online video/YouTube Finding zeros of a polynomial, finding the polynomial given zeros, the rational roots test, finding the number of zeros, and finding additional roots with the conjugate pair theorem.
8th - High School | Online video/YouTube Basics of polynomials. Identifying polynomials; symmetry; adding, subtracting, multiplying, and simplifying polynomials; long and synthetic division; and the remainder theorem.