contestada

Which of the following is a rational number?


square root of 2, square root of 3, square root of 4, and square root of 5

Respuesta :

Answer:

[tex]\sqrt{4}[/tex] is rational

Step-by-step explanation:

A rational number can be expressed in the form

[tex]\frac{a}{b}[/tex] ← where a and b are integers

[tex]\sqrt{4}[/tex] = ± 2 , and

[tex]\frac{2}{1}[/tex] , [tex]\frac{-2}{1}[/tex] are both rational

[tex]\sqrt{2}[/tex], [tex]\sqrt{3}[/tex] , [tex]\sqrt{5}[/tex] cannot be expressed in this form and are irrational

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