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What is an example of a real number that is also an irrational?
The square root of any positive, non-square number will be both real and irrational.
Is a whole number not a real number?
A whole number is definitely a real number! For example say you have the number 7. 7 is a real number, because it doesn't have any decimals or fractions! Hope that helps! A whole number is a real number. A real number can be a fraction, a negative, a positive number, rational, or an irrational number. A whole number is a positive number or zero.
Does every real number have a sign that is plus or minus?
With the exception of zero, which is neither positive nor negative, every real number is either plus or minus. With positive number, the + sign is often implied and therefore is not always written [example: 3 and +3 both mean positive three]
What equation does not equal p?
There are infinitely many such equations. For example, sqrt(-p) where p is a positive real number.
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.
