Algebra-2

Question Analysis
This question tests the student's ability to find the symmetric point of the y-intercept for a quadratic function. The symmetric point is useful for plotting additional points and ensuring the parabola is balanced.

Key Concept Explanation
The symmetric point of any point on the parabola with respect to the axis of symmetry is given by . This ensures that the parabola is symmetric about the axis of symmetry.

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