Algebra-2

Question Analysis
This question tests the student's understanding of how the coefficient in the intercept form of a quadratic function affects the direction in which the parabola opens. The key concept is that if , the parabola opens upward, and if , the parabola opens downward.

Key Concept Explanation
For a quadratic function in intercept form , the sign of the coefficient determines the direction of the parabola. If

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