document.write( "Question 1064208: Given the quadratic function f(x) = -2x2 - 12x - 10
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Algebra.Com's Answer #679306 by ikleyn(52803)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"f%28x%29\" = \"%28-2%29%2A%28x%5E2%2B6x%2B5%29\" = \"%28-2%29%2A%28%28x%5E2+%2B+6x+%2B+9%29+-+9+%2B+5%29\"  = \"%28-2%29%2A%28%28x%2B3%29%5E2-4%29\" = \"%28-2%29%2A%28x%2B3%29%5E2+%2B+8\".\r\n" );
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document.write( "Vertex is  (-3,8).\r\n" );
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document.write( "Find x-intercepts using  \"-2%28x%2B3%29%5E2%2B8\" = \"0\". They are x= -5 and x= -1.\r\n" );
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document.write( "Find y-intercepts by evaluating \"f%280%29\" = -10.\r\n" );
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document.write( "\"graph%28300%2C300%2C+-6%2C+6%2C+-15%2C+15%2C%0D%0A+++++++++-2x%5E2+-+12x+-+10%0D%0A%29\"\r\n" );
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\n" ); document.write( "\n" ); document.write( "Calculations by \"josgarithmetic\" are wrong.\r
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