Math Problem Statement
Find a quadratic function to model the values in the table.
Solution
To find a quadratic function that models the values in the table, we will assume the general form of a quadratic function:
We will use the points provided in the table to create a system of equations and solve for , , and .
Points from the table:
We can substitute these points into the quadratic function:
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For :
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For :
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For :
From equation 2, we know that . Now, we can substitute into the other two equations:
Since , we also have .
Thus, the quadratic function is:
This is the quadratic function that models the values in the table.
Would you like more details on solving this system, or do you have any other questions?
Here are 5 related questions you might find helpful:
- How do you solve a system of equations using substitution or elimination?
- What is the significance of each term in a quadratic function ?
- How can you determine the vertex of a quadratic function?
- What is the role of the discriminant in a quadratic equation?
- How can quadratic functions model real-world scenarios?
Tip: When modeling with quadratics, always try to use points that cover a range of values for to ensure an accurate fit.
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Systems of Equations
Formulas
Quadratic function formula: y = ax^2 + bx + c
Substitution method for solving systems of equations
Theorems
None explicitly involved; the solution relies on basic algebraic manipulation and solving systems of equations
Suitable Grade Level
Grades 9-11
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