Posted by righteous dude on Friday, September 4, 2009 at 7:14am.
Determine whether the statement is true, false, or sometimes true.
1) If x and y are both integers, 1)
then (x)3 = x3
A) Sometimes true B) True C) False

mathematics  Reiny, Friday, September 4, 2009 at 7:37am
If you mean
(x)^{3 = x3
yes, that is always true
As a matter of fact, it is true for all odd exponents of n for
(x)n = xn
and false for all even numbers of n.
e.g. (3)^3 = (3)(3)(3) = 27
3^3 = (3)^3 = (3)(3)(3) = 27
but
(3)^4 = (3)(3)(3)(3) = +81
and 3^4 = (3)(3)(3)(3) = 81}

mathematics  Reiny, Friday, September 4, 2009 at 8:36am
Let's try that again
If you mean
(x)^{3} = x^{3}
yes, that is always true
As a matter of fact, it is true for all odd exponents of n for
(x)n = xn
and false for all even numbers of n.
e.g. (3)^3 = (3)(3)(3) = 27
3^3 = (3)^3 = (3)(3)(3) = 27
but
(3)^4 = (3)(3)(3)(3) = +81
and 3^4 = (3)(3)(3)(3) = 81

mathematics  Anonymous, Saturday, April 16, 2011 at 2:17pm
Determine the nature of the solutions of the equations. 2t²6t=0
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