Key Terms for Rational & Irrational Numbers
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Real Number
A real number is any number
Irrational Number/Numbers
an irrational number is any real number that cannot be expressed as a ratio of integers. Irrational numbers cannot be represented as terminating or repeating decimals.
Whole Number
a number without fractions; an integer.
Rational Number/Numbers
a rational number is any number that can be expressed as the quotient or fraction p/q of two integers, p and q, with the denominator q not equal to zero. Since q may be equal to 1, every integer is a rational number.
Integer
a whole number; a number that is not a fraction.
