Algebra-2

Question Analysis
This question requires students to find the symmetric point of the y-intercept over the axis of symmetry for a quadratic function in standard form. The symmetric point is found by reflecting the y-intercept across the axis of symmetry.

Key Concept Explanation
The symmetric point of a point over the axis of symmetry is given by . For the y-intercept, and .

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

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