Find rational or irrational numbes — task. Maths CBSE Mentoring, Class 9 Mentoring product.

Find which of the variables \(x, y, z\) and \(u\) represent rational numbers and which irrational numbers :

(i) \(x^2 = 2\) is

(ii) \(y^2 = 9\) is

(iii) \(z^2 = .0144\) is

(iv) \(u^2=\frac{17}{4}\) is

Answer variants:

an irrational number

a rational number

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11. Find rational or irrational numbes