document.write( "Question 1128693: Find the Vertex and x-intercept(s) of:
\n" ); document.write( "f(x)=12x^2+15x\r
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Algebra.Com's Answer #745170 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"12x%5E2%2B15x\"\r
\n" ); document.write( "\n" ); document.write( "\"3x%284x%2B5%29\"\r
\n" ); document.write( "\n" ); document.write( "x intercepts are \"-5%2F4\" and \"0\".\r
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\n" ); document.write( "\n" ); document.write( "Vertex occurs for \"x=-5%2F8\".\r
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\n" ); document.write( "\n" ); document.write( "\"12%285%2F8%29%5E2-15%2A5%2F8\"\r
\n" ); document.write( "\n" ); document.write( "\"12%2A25%2F8%5E2-15%2A5%2A8%2F8%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"%2812%2A25-15%2A40%29%2F8%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"-300%2F64\"\r
\n" ); document.write( "\n" ); document.write( "\"-150%2F32\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28-75%2F16%29\"---------value of y at the vertex\r
\n" ); document.write( "\n" ); document.write( "( -5/8, -75/16 ) vertex
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