Math Problem Statement
Solution
Let's analyze the given quadratic function:
This is a quadratic function in vertex form, , where:
- (the coefficient in front of the squared term),
- (the horizontal shift),
- (the vertical shift).
Key characteristics of the graph:
-
Opens Upward or Downward:
- Since , which is positive, the parabola opens upward.
-
Vertex:
- The vertex is at the point .
-
Maximum or Minimum:
- Because the parabola opens upward, it has a minimum value at the vertex, not a maximum.
Thus, the graph opens upward and has a minimum value at .
The correct answer:
"Opens upward and has minimum value at (3, 2)."
Would you like further details on this explanation or any other aspects? Here are some questions you might consider:
- How do we derive the vertex form of a quadratic function?
- Why does the sign of determine whether the parabola opens upward or downward?
- How do we calculate the axis of symmetry from the vertex form?
- What does changing the value of (vertical shift) do to the graph of the function?
- How would the graph change if were negative?
Tip: In any quadratic equation, the vertex form is very useful for quickly identifying the direction of the graph and the vertex point.
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Graphing
Formulas
Vertex form of quadratic function: f(x) = a(x-h)^2 + k
Theorems
The direction of a parabola is determined by the sign of 'a' in the quadratic function.
Suitable Grade Level
Grades 8-10
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