Algebra: Absolute value

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Absolute value is an easy concept: absolute value of a non-negative number is the number itself, absolute value of a negative number is the opposite of that number. So, absolute value is never negative. On my site, use abs(x) when you want to use absolute value in questions, solutions, and solvers. graph%28+200%2C+200%2C+-5%2C+5%2C+-3%2C+5%2C+abs%28x%29+%29+

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26 lessons written by volunteers

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Submit question to free tutors

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