Question

Which of the following is irrational number..4apon9,12upon3,root 7,root18​

Answer 1

Answer:

(1) 4/9 is rational because it can be written in form of p/q

(2) 12/9 - yes

(3) 12/ root 7 - no because root 7 is somewhere about 1.64 and 12/1.64 is irrrational

(4) root 18 = irrrational

Step-by-step explanation:

Answer 2

Answer:

$\sqrt{7} and \sqrt{18}$ are irrational

Step-by-step explanation:

$\frac{4}{9}=0.4444$

$\frac{12}{3}=4$

$\sqrt{7} = 2.645751311064590590501615753639$

$\sqrt{18}= 4.242640687119285146405066172629$

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