document.write( "Question 593573: Hello,
\n" ); document.write( "Could u pls help me with this:\r
\n" ); document.write( "\n" ); document.write( "Use the quadratic equation y = x2 + 3x – 10.
\n" ); document.write( "Where does the vertex of the parabola lie?\r
\n" ); document.write( "\n" ); document.write( "Thanks a lot,
\n" ); document.write( " H.H
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Algebra.Com's Answer #376377 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
the general vertex form is ___ y = a(x - h)^2 + k , with the vertex at (h,k)\r
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\n" ); document.write( "\n" ); document.write( "y = 1(x^2 + 3x) - 10\r
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\n" ); document.write( "\n" ); document.write( "completing the square ___ y = 1(x^2 + 3x + 9/4) - 10 - 9/4 ___ y =1(x + 3/2)^2 - 49/4
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