![]() There are other ways of solving a quadratic equation instead of using the quadratic formula, such as factoring (direct factoring, grouping, AC method), completing the square, graphing and others. Give an example of a quadratic function that matches the description The vertex is at the origin and the graph opens downward: b: The graph is wider than. ![]() ![]() In elementary algebra, the quadratic formula is a formula that provides the solution(s) to a quadratic equation. The quadratic function y = 1 / 2 x 2 − 5 / 2 x + 2, with roots x = 1 and x = 4.
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