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Earn +20 ptsQ: Why 4 radical sign a irrational?
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Are all radical expressions irrational?
No. Radical(9) is +3 or -3, both of which are rational.
Is any number expressed with a radical symbol an irrational number?
No. Radical(1.21) = 1.1, for example, is rational.
What is a negative irrational number?
A negative irrational number can be thought of as an irrational number multiplied by -1, or an irrational number with a minus sign in front of it.
What is the square root sign called?
it's called the radical sign
How was the radical sign discovered?
It was invented, not discovered.
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