![]() ![]() Here is an example.Įxample: Convert the quadratic function f(x) = 2x 2 - 8x + 3 into the vertex form. Converting Standard Form of Quadratic Function Into Vertex FormĪ quadratic function f(x) = ax 2 + bx + c can be easily converted into the vertex form f(x) = a (x - h) 2 + k by using the values h = -b/2a and k = f(-b/2a). Let us see how to convert the standard form into each vertex form and intercept form. We can easily convert vertex form or intercept form into standard form by just simplifying the algebraic expressions. We can always convert one form to the other form. If a If a > 0, then the parabola opens upward. ![]() The parabola opens upwards or downwards as per the value of 'a' varies:
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