document.write( "Question 107371: I need help with this kind of problem:
\n" ); document.write( "Find the vertex, the y-intercept, and symmetric point, and use these to sketch a graph.
\n" ); document.write( "y=2x^2 -11x -12
\n" ); document.write( "I am having problems solving for the vertex. \n" ); document.write( "

Algebra.Com's Answer #853680 by MathTherapy(10692) $\"\"$ $\"About$

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document.write( "I need help with this kind of problem:\r\n" );
document.write( "Find the vertex, the y-intercept, and symmetric point, and use these to sketch a graph.\r\n" );
document.write( "y=2x^2 -11x -12\r\n" );
document.write( "I am having problems solving for the vertex.\r\n" );
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document.write( "Formula for the x-coordinate of the vertex of a parabola:  \r\n" );
document.write( ". Compare to:\r\n" );
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document.write( "In this case, b = - 11, and a = 2.\r\n" );
document.write( "So, the x-coordinate of the vertex of THIS parabola is:\r\n" );
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document.write( "Now, substitute the x-value into the ORIGINAL equation to get the y-coordinate of the vertex, as follows: \r\n" );
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document.write( " <==== y-coordinate of the vertex of THIS parabola\r\n" );
document.write( "Vertex of parabolic equation, :

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