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Cargo Capacity Modeling: Radical Simplification and Absolute Value Rules
An operations analyst at a logistics firm uses the radical expressions and to calculate dimensional volume tolerances for cargo shipping containers. During a presentation to the quality assurance team, a colleague asks why one simplified formula contains an absolute value sign, while the other does not.
Write an explanation that recalls the fundamental mathematical rules for simplifying radicals with variables. Specifically, address the following in your response:
- State the general rule for when absolute value symbols must be used when simplifying a radical expression with variable factors.
- Explain why the variable requires an absolute value symbol in the simplified form of (which simplifies to ), but does not.
- Explain why absolute value symbols are never required when simplifying odd-indexed roots such as .
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Ch.8 Roots and Radicals - Intermediate Algebra @ OpenStax
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Cargo Capacity Modeling: Radical Simplification and Absolute Value Rules