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It depends. If a number is a perfect square or a ratio of perfect squares then its square root is rational. If not, the square root is irrational.
For example,
Consider 9/4. Since 9 and 4 are both perfect squares, the square root of their ratio is rational. sqrt(9/4) = 3/2 or 1.5. But this is less obvious if the number is presented to you as sqrt(2.25)
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Earn +20 ptsQ: Is the square root numbers rational or irrational?
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Continue Learning about Math & Arithmetic
Is the square root of three irrational or rational?
The square roots of three are examples of irrational numbers.
Is -700 rational?
Yes, numbers fall into two categories rational and irrational. Rational: Fractions Terminating Decimals Integers Irrational: Pi The square root of 2 The square root of 3 Infinity
Is 3 a irrational number?
No, 3 is a rational number. Pi and the square root of 2 are irrational numbers.
Is the square root of 25 rational or irrational?
They are +5 and -5, which are both rational.
Is the square root of 8 a real number or a rational number or an irrational number or integers or a whole number?
The square root of 8 is irrational and real.
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