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Frequently Asked Questions

How do you write a quadratic function in standard form?

Any quadratic function can be written in the standard form. f(x) = a(x - h) 2 + k. where h and k are given in terms of coefficients a , b and c . Let us start with the quadratic function in general form and complete the square to rewrite it in standard form.

How do you graph a quadratic function in standard form?

To graph a quadratic function in standard form, follow these steps: Determine the axis of symmetry. (this is also the x-coordinate of the vertex). Substitute the value obtained in Step 1 back into the original formula to determine the y-coordinate of the vertex. Pick two points that are equidistant from the x-coordinate of the vertex.

How do you calculate quadratic formula?

The Quadratic Formula: For ax2 + bx + c = 0, the values of x which are the solutions of the equation are given by: For the Quadratic Formula to work, you must have your equation arranged in the form "(quadratic) = 0". Also, the "2a" in the denominator of the Formula is underneath everything above, not just the square root.


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