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Yes, if the number whose square root we are taking is greater than 0. Only if you try to take the square root of a negative number will you get back an imaginary number.
Square roots are often irrational, but that's different from real versus imaginary.
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Numbers with square roots that are whole numbers?
Numbers with square roots that are whole numbers
How many square roots do negative numbers have?
Negative numbers do not have "real number" square roots.However, they will have two roots (when using imaginary numbers) as do other numbers, where a root including i(square root of -1) is positive or negative.
Find all the real square roots of 0.004?
( +0.063246 ) and ( -0.063246 ).These numbers are rounded.These are the only square roots of 0.004. There are no more real ones,and no imaginary or complex ones.
Which subset does the square root of 13 belong in?
It belongs to many many subsets including: {sqrt(13)}, The set of square roots of integers The set of square roots of primes The set of square roots of numbers between 12 and 27 {3, -9, sqrt(13)} The set of irrational numbers The set of real numbers
How many square roots does every number have?
All positive numbers have two. 0 has only one. Negative numbers have two imaginary roots but no real ones.
What are positive square roots called?
They are called real numbers. Negative square roots must be complex numbers.
Are real numbers closed under the square root operation?
No. Negative numbers are real but their square roots are not.
What the square roots of -256?
There are no real square roots of -256. But using complex numbers the square roots of -256 are 16i and -16i.
What are non examples of real numbers?
The square roots of negative numbers.
What is the square root of -43?
Negative numbers have no real square roots. In terms of complex numbers, the square roots of 43 are +j6.5574 (rounded) and -j6.5574 (rounded)
Numbers with square roots that are whole numbers?
Numbers with square roots that are whole numbers
How many square roots do negative numbers have?
Negative numbers do not have "real number" square roots.However, they will have two roots (when using imaginary numbers) as do other numbers, where a root including i(square root of -1) is positive or negative.
What is the real number root of sqrt -144?
Negative numbers have no real square roots.-144 has two square roots: 12i and -12i.
Find all the real square roots of 0.004?
( +0.063246 ) and ( -0.063246 ).These numbers are rounded.These are the only square roots of 0.004. There are no more real ones,and no imaginary or complex ones.
Is radical 25 a real number?
If by "radical" you mean "square root of", then yes. Both square roots of 25 are real numbers.
Are all square roots of even numbers rational?
No. The square roots 8 are irrational, as are the square roots of most even numbers.
Is the square root a real number?
The square roots of any positive real number are a positive and a negative real number. The square roots of any negative real number are a positive and a negative imaginary number. The square roots of any imaginary number or any complex number are two complex numbers.
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