document.write( "Question 650758: Find the slope of the curve 3x^2-y^2=12 if x=4. \n" ); document.write( "

Algebra.Com's Answer #407418 by Edwin McCravy(20065) $\"\"$ $\"About$

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document.write( "3x² - y² = 12\r\n" );
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document.write( "6x - 2y = 0\r\n" );
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document.write( "6x(1) - 2y = 0\r\n" );
document.write( "6x - 2y = 0\r\n" );
document.write( "    -2y = -6x\r\n" );
document.write( "        = \r\n" );
document.write( "        = \r\n" );
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document.write( "To use that, we must find y when x = 4\r\n" );
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document.write( "  3x² - y² = 1\r\n" );
document.write( "3(4)² - y² = 1 \r\n" );
document.write( " 3*16 - y² = 1\r\n" );
document.write( "   48 - y² = 1\r\n" );
document.write( "       -y² = -47\r\n" );
document.write( "        y² = 47\r\n" );
document.write( "         y = \r\n" );
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document.write( "        = , substitute (4,)\r\n" );
document.write( "        = \r\n" );
document.write( "        = \r\n" );
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document.write( "Edwin

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