document.write( "Question 156833: prove that y=x-3 is a tangent to the curve y=x^2-5x+6. \n" ); document.write( "
Algebra.Com's Answer #115682 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
y=x-3 (red line)
\n" ); document.write( "y=x^2-5x+6 (green curve)
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+x+-3%2C+x%5E2+-5x+%2B6%29+\" (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions x -3 and x^2 -5x +6).
\n" ); document.write( "A picture is worth many calculations.
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