How do you find all real square roots of 4 ?

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-2

-8

answer is A.

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Detailed Solution

There are precisely two real square roots for any positive real number n.
The positive one is the one we designate as the major square root and abbreviate as n.
Due to the fact that there are precisely two real square roots for any positive real number n.
The positive one is the one we designate as the major square root and abbreviate as n.
Due to the fact that ( n ) 2 = ( n ) 2 =n, the other square root is n.
For the number 4, we see that 2 2 =4.
Therefore, 2 is the primary square root of 4.
2. is the other square root.t ( n ) 2 = ( n ) 2 =n, the other square root is n.
For the number 4, we see that 2 2 =4.
Therefore, 2 is the primary square root of 4.
-2. is the other square root.

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