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5 votes
Which number is an irrational number?
(square root)100, 1/8, -2.2675, 3(square root)16

User Tardomatic
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1 Answer

1 vote
a) the square root of 100 is 10 and that is rational
b) 1/8 - 2.2675 can be written as a fraction so that is rational
c) 16 is not a perfect square so therefore the root of it will be irrational, regardless of what is being multiplied to it.

c) is correct
User PhilE
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7.7k points