SOLUTION: Which of the following values of k makes the polynomial; x^{2}+9x+k ; a perfect square? 1:81/2 2:81/4 3:81 4:2/81

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Question 962951: Which of the following values of k makes the polynomial; x^{2}+9x+k ; a perfect square?
1:81/2
2:81/4
3:81
4:2/81

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Take half of nine and square it.

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