<PRE><B>Question 192998</B>
 Is m^2-10m+16 a perfect square trinomial? Explain how you know.
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sqrt(m^2) = m
sqrt(16) = 4
2*m*4 = 8m
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Since the middle term is not 8m, m^2-10m+16 is not a perfect 
trinomial square.
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Cheers,
Stan H.</PRE>