Question

which of the following is irrational
a) √4/9
b) √12/ √3
c) √5
d) √18

Answer 1

Answer:

(a) is the irrational

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Answer 2

Answer:

c and d

Step-by-step explanation:

An irrational number is a number that can not be put as a fraction. First, solve all the equations and see which one is irrational.

a) √4/9 = 0.666... = 2/3

b) √12/ √3 = 2 = 2/1

c) √5 = 2.236067977... Goes on forever but can't be written as a fraction

d) √18 =  4.242640687... Goes on forever but can't be written as a fraction

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