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Earn +20 ptsQ: Is radical 9 irrational
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Continue Learning about Algebra
Are radical expressions irrational?
If the value applied in the radical is not a perfect square, it is irrational. 25; 400; and 625 are perfect squares and are rational when applied in a radical.
Is radical 42 irrational?
Yes, it is.
What is the radical of 5?
The square root (radical) of 5 is about 2.2361 (an irrational number)
Is 9 pi an irrational number?
Yes 9 times pi is an irrational number because it can't be expressed as a fraction
Is negative 9 a rational or irrational?
-9 is a rational number
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