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tell whether the principal root of the following numbers is a rational or irrational

[tex]11. \sqrt{196} [/tex]
[tex]12. \sqrt{16} [/tex]
[tex]13. \sqrt{124} [/tex]
[tex]14. \sqrt{291} [/tex]
[tex]15. \sqrt{400} [/tex]
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ImYOURMathTeachergo

Answer:

11.) Rational

12.) Irrational

13.) Irrational

14.) Irrational

15.) Rational

Explanation:

  • The square root can be expressed as a fraction of the form p/q
  • The quickest way to check if a number is rational or irrational is to determine if it is a perfect cube.

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