Math Problem Statement
The funciona h (x)=1/2(x-3)^2-1 is graphed on [-1,5], determine the following información from the grapa provided
Solution
To analyze the function on the interval based on the graph, here's the kind of information we can determine:
1. Vertex of the parabola:
The given function is in vertex form , where the vertex is at .
For , the vertex is:
Thus, the vertex is .
2. Axis of symmetry:
The axis of symmetry of a parabola in this form is given by the line , where is the x-coordinate of the vertex. So, the axis of symmetry is:
3. Direction of opening:
The coefficient of is , which is positive. This means the parabola opens upwards.
4. Y-intercept:
To find the y-intercept, substitute into the function: Thus, the y-intercept is at .
5. X-intercepts (if any):
To find the x-intercepts, we set and solve for :
Thus, the x-intercepts are and .
Would you like more details or have any questions on this?
Here are 5 questions that build upon this:
- How does changing the coefficient of affect the graph's shape?
- What would happen to the graph if the vertex was moved to ?
- How can you calculate the domain and range of this function?
- How would the graph change if it opened downwards instead?
- What are the minimum and maximum values of on the interval ?
Tip: For vertex form, the vertex can be directly read from , simplifying graphing!
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Graphing Parabolas
Formulas
Vertex form of a quadratic function: h(x) = a(x - h)^2 + k
Y-intercept: h(0)
X-intercepts: Solve h(x) = 0
Theorems
Symmetry of parabolas about the vertex
Quadratic formula for finding roots
Suitable Grade Level
Grades 9-11
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