Harris Knight
01/03/2024 · Primary School
Suppose that the polynomial function \( f \) is defined as follows. \[ f(x)=(x-11)^{2}(x+4)(x-12)^{2} \] Ust each zero of \( f \) according to its multiplicity in the categories below. If there is more than one answer for a multiplicity, separate them with commas. If there is no answer, dick on "None." Zero(s) of multiplicity one: Zero(s) of multiplicity three:
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To find the zeros of the polynomial function \( f(x) = (x-11)^{2}(x+4)(x-12)^{2} \), we need to identify the roots and their respective multiplicities.
1. **Finding the zeros:**
- The factor \( (x-11)^{2} \) gives a zero at \( x = 11 \) with multiplicity 2.
- The factor \( (x+4) \) gives a zero at \( x = -4 \) with multiplicity 1.
- The factor \( (x-12)^{2} \) gives a zero at \( x = 12 \) with multiplicity 2.
2. **Categorizing the zeros by multiplicity:**
- **Zero(s) of multiplicity one:** This corresponds to the zero that appears only once. From our analysis, the zero \( x = -4 \) has multiplicity 1.
- **Zero(s) of multiplicity three:** There are no zeros with a multiplicity of three in the given polynomial.
Now, we can summarize the results:
- **Zero(s) of multiplicity one:** \(-4\)
- **Zero(s) of multiplicity three:** None
Thus, the final answers are:
- Zero(s) of multiplicity one: \(-4\)
- Zero(s) of multiplicity three: None
Quick Answer
Zero(s) of multiplicity one: -4
Zero(s) of multiplicity three: None
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