document.write( "Question 885968: what is the parabola graph of
\n" ); document.write( "y < x^2+9x=14
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Algebra.Com's Answer #535594 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "y>3x^2+10x-8\r\n" );
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document.write( "Graph the bondary graph:\r\n" );
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document.write( "Find x intercepts:\r\n" );
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document.write( "3x^2+10x-8 = 0\r\n" );
document.write( "(3x-2)(x+4) = 0\r\n" );
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document.write( "x=-2/3,  x= -4\r\n" );
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document.write( "Find y-intercept\r\n" );
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document.write( "y = 3x^2+10x-8\r\n" );
document.write( "y = 3(0)^2+10(0)-8\r\n" );
document.write( "y = -8\r\n" );
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document.write( "Find vertex\r\n" );
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document.write( "x = -b/(2a) = -(10)/(2(3)) = -10/6 = -5/3 = -1.6667\r\n" );
document.write( "y = 3x^2+10x-8\r\n" );
document.write( "y = 3(-5/3)^2+10(-5/3)-8\r\n" );
document.write( "y = -49/3 = -16.3333\r\n" );
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document.write( "vertex = (-1.6667,-16.3333  \r\n" );
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document.write( "y > means to draw the boundary graph dotted (because it is not \r\n" );
document.write( "part of the solution set) and shade above  \" > \"  the boundary \r\n" );
document.write( "graph.  (Greater than is above, less than is below).\r\n" );
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document.write( "Can't do the other one because there is an = in there by mistake,\r\n" );
document.write( "and we can't tell whether it was supposed to be a + or a -.\r\n" );
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document.write( "Edwin
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