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The positive square root is also given which name?
AThe rational root
BThe principal root
CThe secondary root
DThe imaginary root
Answer & Solution
Correct answer: B. The principal root
1. The positive root has a formal name.
2. The radical sign denotes the positive square root.
3. The positive square root is also called the principal square root.
4. That is the value a calculator returns.
_Source: OpenStax Elementary Algebra 2e (CC BY 4.0), Ch 9 'Roots and Radicals', sections 9.1-9.8_
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