The Real Number System: Rational & Irrational Numbers

What are Rational Numbers? In mathematics, a rational number is any number that can be expressed as a fraction, or the quotient or fraction p/q of two integers, with the denominator q not equal to zero. Basically, numbers that CAN be written as a fraction, or terminating decimals, or predictable fractions like 1/3 Rational numbers can be categorized into … Read more

Absolute Value

Absolute Value is the distance a number has from zero. Opposite Numbers have the same absolute value. Also, distance is never mentioned as negative so the absolute value of numbers is always positive, even if the number is negative. For Example, the absolute value of 5 is 5.  The absolute value of its’ opposite -5 … Read more