SOLUTION: What is the domain of (1-x^2)^1/2 I know the answer is [-1,1] but how do you solve the radicand after setting it greater than or equal to zero?

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Question 894939: What is the domain of (1-x^2)^1/2
I know the answer is [-1,1] but how do you solve the radicand after setting it greater than or equal to zero?

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
What is the domain of (1-x^2)^1/2
I know the answer is [-1,1] but how do you solve the radicand after setting it greater than or equal to zero?
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1-x^2≥0
x^2=1
x=±1