document.write( "Question 682050: the question says,\" sketch the ellipses. identify the center vertices and foci.\"\r
\n" ); document.write( "\n" ); document.write( "9(x+4)^2+(y+7)^2=81\r
\n" ); document.write( "\n" ); document.write( "(x-3)^2/9 + (y+3)^2/16 = 1
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Algebra.Com's Answer #423017 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"9%28x%2B4%29%5E2%2B%28y%2B7%29%5E2=81\"\r
\n" ); document.write( "\n" ); document.write( "\"9%28x%2B4%29%5E2%2F81%2B%28y%2B7%29%5E2%2F81=81%2F81\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%2B4%29%5E2%2F9%2B%28y%2B7%29%5E2%2F81=1\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%2B4%29%5E2%2F3%5E2%2B%28y%2B7%29%5E2%2F9%5E2=1\"\r
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\n" ); document.write( "\n" ); document.write( "\"b=3\", \"a=9\", \"h=-4\", and \"k=-7\"\r
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\n" ); document.write( "\n" ); document.write( "Center: (\"h\", \"k\")=(\"-4\", \"-7\")\r
\n" ); document.write( "\n" ); document.write( "Vertices: (-4, -7 ± 9) or\r
\n" ); document.write( "\n" ); document.write( " (\"-4\",\"2\"), (\"-4\",\"-16\")\r
\n" ); document.write( "\n" ); document.write( "Co-vertices: (-4 ± 3, -7) or (\"-1\",\"-7\"), and (\"-7\",\"-7\")\r
\n" ); document.write( "\n" ); document.write( "Length of Major Axis: \"2a=18\"\r
\n" ); document.write( "\n" ); document.write( "Length of Minor Axis: \"2b=6\"\r
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\n" ); document.write( "\n" ); document.write( "2.\r
\n" ); document.write( "\n" ); document.write( "\"%28x-3%29%5E2%2F9+%2B+%28y%2B3%29%5E2%2F16+=+1\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-3%29%5E2%2F3%5E2+%2B+%28y%2B3%29%5E2%2F4%5E2+=+1\"\r
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\n" ); document.write( "\n" ); document.write( "\"b=3\", \"a=4\", \"h=3\", and \"k=-3\"\r
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\n" ); document.write( "\n" ); document.write( "Center: (\"h\", \"k\")=(\"3\", \"-3\")\r
\n" ); document.write( "\n" ); document.write( "Vertices: (3, -3 ± 4) or\r
\n" ); document.write( "\n" ); document.write( " (\"3\",\"1\"), (\"3\",\"-7\")\r
\n" ); document.write( "\n" ); document.write( "Co-vertices: (3 ± 3, -3) or (\"6\",\"-3\"), and (\"0\",\"-3\")\r
\n" ); document.write( "\n" ); document.write( "Length of Major Axis: \"2a=8\"\r
\n" ); document.write( "\n" ); document.write( "Length of Minor Axis: \"2b=6\"\r
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