![]() Multiply this out.Ĭompare this to general form ax 2 + bx + c. Solving by Completing the SquareĪ perfect square is something like x 2. Completing the square is a method that solves all quadratic equations. Taking square roots only works when the x appears only once. When you complete the square, make sure that you are careful with the sign on the numerical coefficient of the x-term when you multiply that coefficient by one. Graphing only works with the solutions are real. Factoring only works when it is factorable. To find out how wide the path should be requires solving a quadratic equation.Īll the ways to solve quadratic equations covered so far only work in specific cases. He wants the path to be the same width all around the garden, but he only can afford enough gravel to cover a certain area. SDA NAD Content Standards (2018): AII.4.1, AII.4.2, AII.5.1, AII.6.3įreddie wants to put a gravel path around his rectangular garden. Rewrite a general form quadratic in standard (vertex) form. ![]()
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