SOLUTION: Not sure I'm in the right section, but the question is: Find the domain of x in the expression square root of 36 minus X squared. Thank you in advance of your consideration

Algebra ->  Rational-functions -> SOLUTION: Not sure I'm in the right section, but the question is: Find the domain of x in the expression square root of 36 minus X squared. Thank you in advance of your consideration      Log On


   



Question 558571: Not sure I'm in the right section, but the question is:
Find the domain of x in the expression square root of 36 minus X squared.
Thank you in advance of your consideration

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find the domain of x in the expression square root of 36 minus X squared
The domain in the radican must always be≥0
So, we set it to zero and solve for x
36-x^2≥0
(6+x)(6-x)≥0
number line
<==+==-6]....-.....[6==+==>
Domain: (-∞,-6] U [6, ∞)