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Mathematics 18 Online
OpenStudy (anonymous):

Does anyone know how to solve this inequality? |d|>2

OpenStudy (mathstudent55):

An inequality of the form \(|X|>k\) where X is an expression in a variable, and k is a number, is solved by solving the compound inequality \(X < -k\) or \(X > k\)

OpenStudy (anonymous):

So the answer would be d>-2 or d>2?

OpenStudy (mathstudent55):

In your case, X is simply d, since d is an expression in variable d. k is 2. You are close, but make sure you write the correct inequality signs. One is < and one is >.

OpenStudy (mathstudent55):

\(d < -2\) or \(d > 2\)

OpenStudy (anonymous):

Thank you @mathstudent55

OpenStudy (mathstudent55):

You're welcome.

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