document.write( "Question 842825: Find an equation of the tangent line to the graph of f(x)=x^2-2x at x=1. \n" ); document.write( "
Algebra.Com's Answer #507781 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
f(1) = 1 - 2 = -1\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "f'(x) = 2x - 2
\n" ); document.write( "f'(1) = 0\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Eq. of line: y = -1
\n" ); document.write( "
\n" );