document.write( "Question 263376: can any quadratic function of the form y=ax^2+bx+c be changed into a quadratic function in vertex form by completing a square? \n" ); document.write( "

Algebra.Com's Answer #194092 by drk(1908) $\"\"$ $\"About$

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The answer is yes. By completing the square you convert the quadratic equation into the vertex form of a parabola. After the process is done you end up with the following:
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