Theorems About Roots of Polynomial Equations
1. Use the Rational Root Theorem to list all possible rational roots of 3 x 3 + x 2 – 15 x – 5 = 0. Then find any actual rational roots. 2. Find the roots of 10 x 4 + x 3 + 7 x 2 + x – 3 = 0. 1 3. 5 3. 1 3. ±1, ±5, ± , ± ; –. 3 5. 1 2. – , , ± i.
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