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What does square root key mean?
As an example, the square root of 49 is 7. It's this because the square root of a number is another number multiplied by itself(7X7=49).
Is the square root of 28 the number 7?
no, 28 has no whole square root; the square root of 49 is 7
What same number times equals 7?
It is: the square root of 7 times the square root of 7 = 7
What is the square root of a negative number plus the square root of a negative number?
Nothing. You cannot have a square root of a negative number. The square root of negative one is called i, but i is an imaginary number. It does not exist and does not follow the properties of real numbers. (For example, if a and b are positive, then the square root of a times the square root of b is the square root of ab. But the square root of -7 is not the square root of 7 times i.)
What is a cube root and a square root?
Cube Root - The number that produces a given number when cubed Square Root - A number that produces a specified quantity when multiplied by itself: "7 is a square root of 49".
