Math Problem Statement
Solution
The given problem asks for a polynomial of degree 4 with the following conditions:
- It has a root of multiplicity 2 at .
- It has roots of multiplicity 1 at and .
- It passes through the point .
Step-by-Step Solution:
-
General Form of the Polynomial:
Since the root at has multiplicity 2, the factor associated with it is .
The roots at and have multiplicity 1, so their factors are and , respectively.Therefore, the polynomial can be written in the form: where is a constant to be determined.
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Using the Point :
The polynomial passes through the point , so we can use this information to solve for .
Substituting and into the equation: Simplifying: Solving for : -
Final Polynomial:
Substituting back into the general form of the polynomial:
Final Answer:
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Here are five related questions that expand on this topic:
- How do you determine the degree of a polynomial from its roots and multiplicities?
- What is the significance of multiplicity in polynomial roots?
- How does passing through a specific point help in finding the leading coefficient?
- How can we check if a polynomial matches certain given conditions?
- Can the process change if a polynomial is factored over complex numbers?
Tip: When working with polynomial roots and multiplicities, always pay attention to how each root affects the shape and behavior of the graph at that point!
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Math Problem Analysis
Mathematical Concepts
Polynomials
Roots
Multiplicity
Formulas
P(x) = a(x - 2)^2 * x * (x + 4)
Theorems
Multiplicity of Roots Theorem
Suitable Grade Level
Grades 10-12
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