document.write( "Question 1080217: Which of these is the equation for a line tangent to the circle x2 + y2 = 20 at point (2, -4)?\r
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\n" ); document.write( "\n" ); document.write( "y = ½x – 5
\n" ); document.write( "y = 2x – 5
\n" ); document.write( "y = 2x + √20
\n" ); document.write( "y = ½x + √20
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Algebra.Com's Answer #694400 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
y+5=(1/2)x\r
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\n" ); document.write( "\n" ); document.write( "\"y=%281%2F2%29x-5\"
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