Algebra-2

Question Analysis
This question tests the student's understanding of the axis of symmetry in the vertex form of a quadratic function. It specifically checks the ability to identify the axis of symmetry based on the value of .

Key Concept Explanation
In the vertex form , the axis of symmetry is the vertical line . This line passes through the vertex of the parabola and divides it into two symmetrical halves.

Step-by-step Solution
1. Identify the vertex form of the quadratic function:

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