document.write( "Question 1171581: Put the quadratic into vertex form and state the coordinates of the vertex.
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Algebra.Com's Answer #796464 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Complete the square\r\n" );
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document.write( "    y = x^2 - 14x = (x^2 - 14x + 49) - 49 = (x-7)^2 - 49.\r\n" );
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document.write( "So, the vertex form is \r\n" );
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document.write( "    y = (x-7)^2 - 49.\r\n" );
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document.write( "Coordinates of the vertex are x= 7, y= -49.     ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "On completing the square see the lesson\r
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\n" ); document.write( "\n" ); document.write( "On finding the vertex of a parabola, see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO complete the square to find the vertex of a parabola\r
\n" ); document.write( "\n" ); document.write( "    - Briefly on finding the vertex of a parabola\r
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