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Earn +20 ptsQ: What is two square roots of the number 169?
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What is the real number roots of the square root of 169?
There are two roots, both real: -13 and +13
What is a number that has more than two square roots?
There is no number that has more than two square roots.By definition, the "square" bit implies two.Every number has exactly:TWO square roots,THREE cube roots,FOUR quadratic roots,etc.
Why isn't 169 a prime number?
Because it has more than two factors and it is a square number because 13*13 = 169
What are the two square roots of 256?
A positive number has two square roots, its principal (positive) root and its negative root. This is because a negative number multiplied by a negative number equals a positive number. In this instance, the square roots of 256 are 16 and -16.
Does a positive number have two square roots?
Yes, a positive square root and a negative one. For example, the two square roots of 9 are +3 and -3.
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