1. Solving Polynomial Functions

3. Fundamental Theorem of Algebra
Every polynomial equation with a degree greater than zero will have at least one complex root

4. Tricks….. If all the coefficients add to equal 0, then 1 works.
If every other coefficient adds to equal the sum of every other coefficient, then -1 works.
Try factoring a cubic by grouping if possible.
2x5-4x4-2x-1

5. Steps to Follow Try tricks P/Q it Divide to find roots
At the cubic level (3rd degree) can you group?
At the quadratic level (2nd degree) solve by factoring or use quadratic formula.

6. Solve
𝑥 3 + 𝑥 2 +𝑥−3=0

7. Find the roots.
𝑓 𝑥 = 𝑥 4 −3 𝑥 3 − 8𝑥 2 +4

8. Find the zeros.
𝑦= 2𝑥 3 + 𝑥 2 +2𝑥−5