2.3 Sketching Polynomials - Algebra 2 Common Core
2.3 Sketching Polynomials
Roots (or Zeros):
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Ex 1: Factored form:
Zeros:
End Behavior:
f(x) = -2x 3 - 4x2 + 30x
Mwtipli Df Roots
What do you notice about the roots (zeros) that repeat?
F(x) = (x + 2)4(x -1)
F(x) = (x - 2) 3 (x + 5)
X
F(x) = (x - 4)2 (x -1)2
X
F(x) = -0.3(x + 3)4(x - 2)2
X
Roots that have an odd degree ______ the x-axis. Roots that have an even degree are ______ to the x-axis.
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