![]() So, you already have a simplified quadratic function. Assume you have a quadratic function, expressed Normally, the completion of squares process is the long way to go about it. Is there a vertex formula?Īs a matter of fact, yes, there is. Therefore, we can see that the general process of vertex form calculation is tightly related with the process of completing the squares. Step 4: After completing the squares, the constant outside of the parenthesis (it could be zero) corresponds to the y-coordinate of the vertex.Step 3: Complete the squares, and notice the term inside the parentheses with x, because it determines the x-coordinate of the vertex. ![]()
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