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The Math Forum: Ask Dr. Math: Why the Principal Square Root Is Positive

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At this site from Ask Dr. Math at the Drexel University, Dr. Math responds to an inquiry about why the principal square root is positive.

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Additional Tags
positive part of a square root, principal square root, why is the principal square root positive?, math forum, why the principal square root is positive, principal root
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Resource Details
Grade
6th - 8th
Subjects
Math
2 more...
Resource Type
Activities & Projects
Audiences
For Administrator Use
2 more...
Lexile Measures
0L