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perfect squares

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โˆ™ 2017-10-28 23:22:12
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Q: What are numbers with with square roots that are a whole number called?
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What are positive square roots called?

They are called real numbers. Negative square roots must be complex numbers.


What does the square root of a number?

The square roots of a number are numbers and, as numbers, they are not capable of doing anything.


What are the numbers with square roots that are numbers?

A number with a square root is still a number. So the answer is all of them.


Is there a number that doesn't have a square root?

Any negative number, and infinity. However, a number (called "i") was created to represent the square roots of negative numbers.


What are numbers called that have square roots but are not a square number?

There is no specific name but they comprise the set of non-negative numbers other than perfect squares.


Why don't negative numbers have square roots?

They can, but they are called imaginary numbers. This is because a "square" of something is the number that, when multiplied by itself, will equal the first number. A negative multiplied by a negative equals a positive, and positives can't turn into negatives on their own, so there are no square roots of negative numbers.


What are rational numbers whose square roots are whole numbers called?

Rational numbers whose square roots are whole numbers are themselves whole numbers. They are called square numbers, e.g. 1, 4, 9, 16, 25 and so on.


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.


Numbers that are square roots that are whole numbers?

Every whole number


Numbers with square roots that are whole numbers?

Numbers with square roots that are whole numbers


What kind of number system is a square root?

A square root is not a number system. Square roots of non-negative numbers may be rational or irrational, but they all belong to the set of real numbers. The square roots of negative numbers do not. To include them, the number system needs to be extended to the complex numbers.


Are irrational number square roots?

Some irrational numbers are square roots, but not every one. Not every square root is irrational.


What are numbers with square roots that are whole numbers?

They are called perfect squares.


What is the square roots for -41.2?

There are none. Negative numbers don't have square roots. Well, they do, but they are known as imaginary numbers, and there is no way to determine them. A square root of a number is a number you can multiply by itself and get the original number. There is no number you can multiply by itself to get a negative number, but every positive number has two square roots of the same absolute value.


What has integers as its square roots?

Such a number is called a "perfect square".


Why are some numbers called square roots?

they are called square numbers because, the numbers that are being multiplied by itself(5x5=25)would equal its' sum OR answer. These numbers would be a perfect square.


Does a square root have to be a whole number?

No, a square root doesn't have to be a whole number. The square root of 2.25 is 1.5. It could be said that most square roots are not whole numbers. Take just the first few integers (counting numbers). Find the square roots of the numbers 1 through 10 and you'll find three of the numbers have whole number square roots (1, 4 and 9). The other seven don't. For the numbers 11 through 20, there is only 1 number with a whole number square root (16).


Are all square roots of even numbers rational?

No. The square roots 8 are irrational, as are the square roots of most even numbers.


What does a non-zero rational number mean?

any number (including fractions, square roots and Pi) that are not 0 and are not square roots of negative 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.


What types of numbers have whole number square roots?

They are the perfect squares.


Numbers whose square roots are integers are called?

perfect squares


What number has only one square root?

Zero is the only number that has only one square root.The square root of zero is zero.All other numbers have two square roots.The square roots of 4 are 2 and -2. Two is referred to as the "principal" square root.When you get to the grade that discusses imaginary/complex numbers, you'll learn that negative numbers also have square roots. The square roots of -4 are 2i and -2i. 2i is the principal square root.


What can you conclude about the square roots of numbers that are not perfect squares?

You cannot conclude anything.2.25 is not a perfect square but its square roots are +/- 1.5 so it is perfectly possible for a number which is not a perfect square to have a rational square roots.


What is the difference between square roots and real square roots?

In mathematics, there is a distinction between real numbers and imaginary numbers. There is a number known as i which means, the square root of minus one. Since any number that we know of will produce a positive result when multiplied by itself, there would seem to be no such thing as the square root of minus one, however, the concept is useful for certain purposes, nonetheless, and it is therefore known as an imaginary number. Any multiple of i is also an imaginary number (such as 67i and so forth). So, some square roots are real numbers, and some are imaginary. Both types can be called square roots.