What value completes the square for the expression? x2 - 18x A. 9 B. -9 C. 81 D. -81
The value that completes the square for the expression x^2 - 18x is 81. x^2 - 18x + 81 = (x - 9)^2
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Updated 6/3/2014 7:26:44 AM
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The value that completes the square for the expression x^2 - 18x is 81.
x^2 - 18x + 81 = (x - 9)^2
Confirmed by jeifunk [6/3/2014 7:46:11 AM]

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