Asked by Anon
If x is an integer and x is not equal to zero, which of the following are always positive and which are always negative?
a: -x to the power of 4
b: (-x) power of 4
c: x to the power of 4
d: x
e: -x
a: -x to the power of 4
b: (-x) power of 4
c: x to the power of 4
d: x
e: -x
Answers
Answered by
PsyDAG
Any negative number squared is positive.
(-x)^4 = (-x)^2 * (-x)^2
If a is -(x^4), then it is negative.
The only other negative I see is e.
(-x)^4 = (-x)^2 * (-x)^2
If a is -(x^4), then it is negative.
The only other negative I see is e.
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