document.write( "Question 1184285: If two circles \"+x%5E2+%2B+y%5E2+%2B+2x+%2B+2ky+%2B+6+=+0+\" and \"++x%5E2+%2B+y%5E2+%2B+2ky+%2B+k+=+0+\" intersect orthogonally, then what is the value of k? \n" ); document.write( "
Algebra.Com's Answer #814893 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "answer is: \"2\" or \"-3%2F2\"\r
\n" ); document.write( "\n" ); document.write( "Apply \"2g1%2Ag2%2B2f+1%2Af+2=c1%2Bc2\"
\n" ); document.write( "​
\n" ); document.write( "\"2%281%29%280%29%2B2%28k%29%28k%29=6%2Bk+\"
\n" ); document.write( " \"2k%5E2=6%2Bk+\"
\n" ); document.write( " \"2k%5E2-k-6=0\"
\n" ); document.write( " \"2k%5E2-4k%2B3k-6=0\"
\n" ); document.write( "\"%282k%5E2-4k%29%2B%283k-6%29=0\"
\n" ); document.write( "\"2k%28k-2%29%2B3%28k-2%29=0\"
\n" ); document.write( "\"%28k-2%29%282k%2B3%29=0\"\r
\n" ); document.write( "\n" ); document.write( "=>\"k=2\" or \"k=-3%2F2\"
\n" ); document.write( "
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