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www.mathsisfun.com/numbers/real-numbers.html

Mathematicians also play with some special numbers that that aren't Real Numbers. The Real Number Line. The Real Number Line is like a geometric line.. A point is chosen on the line to be the "origin".Points to the right are positive, and points to the left are negative.

www.quora.com/Are-negative-numbers-real-numbers

My dear friend,In mathematics, a real number is a value that represents a quantity along a line. The adjective real in this context was introduced in the 17th century by René Descartes, who distinguished between real and imaginaryroots of polynomials.. The real numbers include all the rational numbers, such as the integer −5 and the fraction 4/3, and all the 3number, such as √2 (1 ...

Chapter 2 : Properties of Real Numbers Negative Numbers. Negative Numbers. Negative numbers have been the source of wide controversy in the historical development of mathematics. Even as late as the 18th century, some mathematicians argued that equations with negative solutions suggested that a false assumption had been made.

www.reference.com/math/negative-numbers-real-numbers-f81e0a5ff0c3fb46

Negative numbers are real numbers. The set of real numbers includes all the numbers that can be shown on a number line including both positive and negative numbers. If a number can be represented as a decimal, it is a real number.

en.wikipedia.org/wiki/Negative_number

In mathematics, a negative number is a real number that is less than zero.Negative numbers represent opposites. If positive represents a movement to the right, negative represents a movement to the left. If positive represents above sea level, then negative represents below sea level.

Add, subtract, multiply and divide negative numbers. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.

For the best answers, search on this site https://shorturl.im/gsmqJ Negative numbers are in fact real numbers, as is 0. Actually, you can use them as the base of exponential functions, but the functions then become very messy (to put it mildly), and require the use of complex numbers.

simple.wikipedia.org/wiki/Real_number

A real number is a rational or irrational number. Usually when people say "number" they usually mean "real number". The official symbol for real numbers is a bold R or a blackboard bold . Some real numbers are called positive. A positive number is "bigger than zero". Real numbers can be thought of as an infinitely long ruler.

en.wikipedia.org/wiki/Real_number

Any non-zero real number is either negative or positive. The sum and the product of two non-negative real numbers is again a non-negative real number, i.e., they are closed under these operations, and form a positive cone, thereby giving rise to a linear order of the real numbers along a number line.