document.write( "Question 1144268: Find an equation of the line containing the centers of the two circles.
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Algebra.Com's Answer #765337 by ikleyn(52803) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "To determine the centers, complete the squares for x- and y-terms separately in each equation.\r\n" );
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document.write( "I can do it MENTALLY : for the first circle the center is  the point (-3,-2);\r\n" );
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document.write( "                       for the second circle the center is the point ((1,-5).\r\n" );
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document.write( "To find the equation of the line through the centers, find the slope first\r\n" );
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document.write( "    m =  =  = = = .\r\n" );
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document.write( "Then an equation you are looking for is \r\n" );
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document.write( "      = ,   or\r\n" );
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document.write( "     = ,  or, equivalently,\r\n" );
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document.write( "     y + 2 = .(x+3).\r\n" );
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document.write( "From this form, you can transform this equation to any other equivalent form you want.\r\n" );
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