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Mathematics 8 Online
OpenStudy (anonymous):

solve the inequality. answer in interval notation please

OpenStudy (anonymous):

\[8\le \left| x \right| \le 9\]

OpenStudy (anonymous):

one obvious answer is \(8\leq x\leq 9\)

OpenStudy (anonymous):

the less than obvious one is \(-9\leq x\leq-8\) because if that is true, then the absolute value will be between 8 and 9

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