The graph of a quadratic function is a parabola, which is also known as the characteristics of the graph of a function depends on the values of a, b, and c, and when a positive or a negative result in a graph is a curve or turn upside down, and the graph of the quadratic function is defined by the equation. Y = ax ^ 2 when a is not equal to 0 when a > 0 and 0 when a < type.
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