Math Problem Statement
Solution
The image contains two graphs of quadratic functions and some related questions that help you analyze the properties of the graphs.
Key Points:
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Quadratic Functions:
- Quadratic functions are of the form , where , , and are constants.
- The graph of a quadratic function is a parabola, which can either open upward or downward depending on the sign of .
- If , the parabola opens upward, and if , the parabola opens downward.
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Absolute Maximum and Minimum:
- A quadratic function has an absolute maximum if the parabola opens downward (as seen in the first graph).
- A quadratic function has an absolute minimum if the parabola opens upward (as seen in the second graph).
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Axis of Symmetry:
- The axis of symmetry is a vertical line that divides the parabola into two mirror images. The equation of this line is , where and are coefficients from the quadratic equation.
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Key Features of the Graphs:
- The first graph represents the quadratic function , which opens downward, so it has an absolute maximum.
- The second graph represents the quadratic function , which opens upward, so it has an absolute minimum.
Analyzing the Questions on the Right:
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First Function:
- The function has an absolute maximum.
- The graph increases to the point (200, 7500) and then decreases.
- The graph is symmetric about the line .
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Second Function:
- The function has an absolute minimum.
- The graph decreases to the point (-4, -12) and then increases.
- The graph is symmetric about the line .
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General Properties:
- The graph on either side of the axis of symmetry behaves symmetrically.
- In the equation of a quadratic function, the greatest exponent is 2.
Would you like further help solving or understanding these properties in more detail? Here are some related questions to deepen your understanding:
Relative Questions:
- How do you determine whether a parabola opens upward or downward from the equation?
- Can you find the vertex of a parabola using a different method?
- What is the significance of the axis of symmetry in quadratic functions?
- How do you use the quadratic formula to find the roots of these functions?
- Can you apply these concepts to real-world problems, such as optimization?
Tip: The vertex of a parabola (either the maximum or minimum point) can always be found using the formula .
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Math Problem Analysis
Mathematical Concepts
Quadratic Functions
Graphs of Parabolas
Absolute Maximum and Minimum
Axis of Symmetry
Formulas
Quadratic equation: p(w) = ax^2 + bx + c
Axis of symmetry: x = -b/(2a)
Maximum/Minimum point: Vertex of the parabola
Theorems
Symmetry of Parabolas
Quadratic Formula
Suitable Grade Level
Grades 9-11
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