Algebra-2

Question Analysis
This question tests the student's ability to find the y-coordinate of the vertex of a quadratic function in standard form. The y-coordinate is found by substituting the x-coordinate of the vertex back into the function.

Key Concept Explanation
The vertex of a parabola in standard form can be found using the formula for the axis of symmetry, which is . The y-coordinate of the vertex is then found by substituting this x-value back into the function.

Step-by-step Solution
1. Identify the coefficients: , , and

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