document.write( "Question 1191706: Could you please help me with this problem? This requires to be solved algebraically.\r
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Algebra.Com's Answer #823495 by math_helper(2461) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Well, it is an algebraic solution to note the following, when traveling from B to A:   \r
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document.write( "    Go 3 units to the right  (add 3 to x)
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document.write( "    Go 5 units down   (subtract 5 from y)\r
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document.write( "So from that, one can write
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document.write( "j = Cx + 3
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document.write( "k = Cy - 5\r
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document.write( "Therefore,  j = 2+3 = 5   and  k = 4-5 = -1\r
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document.write( "Thus, D is at (5,-1).\r
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document.write( "One way to check this is to make sure the two diagonals are equal length:\r
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document.write( "  A-C:   
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document.write( "  B-D:      so the two diagonals are equal length and the polygon is a square.\r
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