3.1: Graphs of Quadratic Functions - Mathematics LibreTexts
https://math.libretexts.org/Courses/Monroe_Community_College/MTH_165_College_Algebra_MTH_175_Precalculus/03%3A_Polynomial_and_Rational_Functions/3.01%3A_Graphs_of_Quadratic_Functions
WEBGraph a quadratic function in the form \(f(x)=ax^2+bx+c\) Determine whether the parabola opens upward \( (a > 0) \) or downward \( (a < 0) \). Find the equation of the axis of symmetry, \( x = h \) where \(h=–\dfrac{b}{2a} \). Find the vertex, \( (h, k) \), where \( k = f(h) \). Find the \(y\)-intercept, \( f(0) \).
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