document.write( "Question 964915: find the slope of the tangent line to the following curves at the designated points:
\n" ); document.write( " f(x)= x^2+x ,(2,-3)
\n" ); document.write( "y^4-4y^2=x^4-9x^2 ,(3,2)
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Algebra.Com's Answer #589712 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Find the derivative.
\n" ); document.write( "The value of the derivative at a point is the slope of the tangent line at that point.
\n" ); document.write( " $\"df%2Fdx=2x%2B1\"$
\n" ); document.write( " $\"df%2Fdx=2%282%29%2B1\"$
\n" ); document.write( " $\"df%2Fdx=4%2B1\"$
\n" ); document.write( " $\"m=df%2Fdx=5\"$ \r
\n" ); document.write( "\n" ); document.write( ".
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\n" ); document.write( ".
\n" ); document.write( " $\"4y%5E3dy-8ydy=4x%5E3dx-18xdx\"$
\n" ); document.write( " $\"%284y%5E3-8y%29dy=%284x%5E3-18x%29dx\"$
\n" ); document.write( " $\"dy%2Fdx=%284x%5E3-18x%29%2F%284y%5E3-8y%29\"$
\n" ); document.write( " $\"dy%2Fdx=%282x%5E3-9x%29%2F%282y%5E3-4y%29\"$
\n" ); document.write( " $\"dy%2Fdx=%282%283%29%5E3-9%283%29%29%2F%282%282%29%5E3-4%282%29%29\"$
\n" ); document.write( " $\"dy%2Fdx=%282%2827%29-27%29%2F%282%288%29-8%29\"$
\n" ); document.write( " $\"m=dy%2Fdx=%2827%29%2F%288%29\"$
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