SOLUTION: I am supposed to write the solution set in interval notation. When I solve x2 -4<=0 I am stumped Thanks,

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Question 32367This question is from textbook Elementary and Intermediate alegbra
: I am supposed to write the solution set in interval notation. When I solve x2 -4<=0 I am stumped
Thanks,
This question is from textbook Elementary and Intermediate alegbra

Answer by mukhopadhyay(490)   (Show Source): You can put this solution on YOUR website!
x^2 - 4 <=0
=>x^2 <= 4
=> x <= 2 and x >= -2
Answer: x belongs to [-2,2]

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