document.write( "Question 448704: Circle O has a center at (-1,1) and the line SL is tangent to circle O at S (-4,2). Write an equation for the line SL.
\n" ); document.write( "I believe that you have to find the slope. But after that?????
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Algebra.Com's Answer #308723 by scott8148(6628)\"\" \"About 
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a tangent is perpendicular to the radius at the point of tangency ___ SL is perpendicular to OS\r
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\n" ); document.write( "\n" ); document.write( "find the slope and use point-slope to write an equation
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