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What do you notice? What do you wonder?
Check your sketch using graphing technology.
Pause here for your teacher to check your work.
Degree: Zeros:
End behavior: As
Degree: Zeros:
End behavior: As
Degree: Zeros:
End behavior: As
Degree: Zeros:
End behavior: As
Degree: Zeros:
End behavior: As
Degree: Zeros:
End behavior: As
Your polynomial:
Degree: Zeros:
End behavior: As
Sketch a graph for a polynomial function
We can combine what we know about factors, degree, end behavior, the sign of the leading coefficient, and multiplicity to sketch polynomials written in factored form. Multiplicity, or the power to which a factor occurs in the factored form of a polynomial, tells us the number of times that factor is repeated and affects the shape of the graph near the location of each zero on the horizontal axis.
For example,
near
near
near
For
near
near
Now consider what the graph of
The power to which a factor occurs in the factored form of a polynomial. For example, in the polynomial