Given the quadratic function , the y-coordinate of the vertex is ________.
Answer & Analysis
Analysis
Question Analysis
This question evaluates the student's ability to find the y-coordinate of the vertex for a quadratic function given in intercept form.
Key Concept Explanation
The y-coordinate of the vertex can be found by substituting the x-coordinate of the axis of symmetry into the function.
Step-by-step Solution
1. Identify the x-intercepts from the given function . Here, and .
2. Find the axis of symmetry:
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