![]() Notice that if a = 0, then the formula will be undefined, but in this case a won't be zero, since we have a quadratic function, and the term that multiplies Step 3: From the a and b you identified, plug them into the formula xv = -b/2a.Step 2: From the quadratic formula, you need to clearly identify what a and b are.You need to have something like f(x) = ax²+ bx + c Step 1: Identify the quadratic function in its simplified form.Then, the vertex formula for the x-coordinate of the vertex is: What is the vertex formula?įirst, we assume we start with a quadratic function, and we have simplified it to: Quadratic functions are really important in applications in Algebra and Calculus, and the vertex of a quadratic function is very interpretable. With the steps followed to compute the vertex of the parabola. Once you provide a valid quadratic function, you need to click the "Calculate" button, and and the steps of the application of the vertex formula will be shown, This quadraticįunction needs to be a valid one such as 2x^2 + 3x + 1/3, or it may come unsimplified such as 2x^2 - x + 5 - 3/4 x^2 +1/3, etc. This calculator will allow to apply the vertex formula for a given quadratic function you provide. ![]()
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