document.write( "Question 1181065: Dear Sir,\r
\n" ); document.write( "\n" ); document.write( "Please help me solve this problem:\r
\n" ); document.write( "\n" ); document.write( "Sketch and determine the parts of the parabola having y2=16x as the equation.\r
\n" ); document.write( "\n" ); document.write( "Determine the following:\r
\n" ); document.write( "\n" ); document.write( "1. Vertex
\n" ); document.write( "2. Focus
\n" ); document.write( "3. Directrix
\n" ); document.write( "4. Axis of Symmetry
\n" ); document.write( "5. E1 and E2
\n" ); document.write( "6. Length of E1 and E2
\n" ); document.write( "7. Graph the Parabola\r
\n" ); document.write( "\n" ); document.write( "With high respect to you and thank you in advance for your great help.\r
\n" ); document.write( "\n" ); document.write( "Lorna
\n" ); document.write( "
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Algebra.Com's Answer #810883 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"y%5E2=16x\"\r
\n" ); document.write( "\n" ); document.write( "\"%28y-0%29%5E2=4%2A4x\"\r
\n" ); document.write( "\n" ); document.write( "\"4%2A4%28x-0%29=%28y-0%29%5E2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "vertex (0,0)
\n" ); document.write( "focus (0,4)
\n" ); document.write( "directrix \"x=-4\"
\n" ); document.write( "symmetry axis \"y=0\"
\n" ); document.write( ".
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