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All numbers on the number line. This includes (but is not limited to) positives and negatives, integers and rational numbers, square roots, cube roots , π (pi), etc. Real numbers are indicated by either or .
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www.mathwords.com/r/real_numbers.htm
www.mathwords.com/r/real_numbers.htm
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It is true that the real numbers are 'points on a line,' but that's not the whole truth. This web page explains that the real number system is a Dedekind-complete ordered field. The various concepts are illustrated with several other fields as well.
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www.math.vanderbilt.edu/~schectex/courses/thereals/
www.math.vanderbilt.edu/~schectex/courses/thereals/
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Without getting technical, real numbers are all numbers that can be written as a possibly never repeating decimal fraction. For example, all rational numbers are real. Their decimal representations do repeat. Decimal fractions whose representation do not repeat are irrational.
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www.math.utah.edu/~alfeld/math/numbers.html
www.math.utah.edu/~alfeld/math/numbers.html
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The distance between two real numbers x and y is the absolute value of their difference. For example, the distance between 3 and 5 is (i.e., 2) which makes perfect sense if you visualize this on the real number line.
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www.math.utah.edu/online/1010/line/
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In pre-algebra, you learned about the properties of integers. Real numbers have the same types of properties, and you need to be familiar with them in order to solve algebra problems.
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www.math.com/school/subject2/lessons/S2U2L1GL.html
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In this lesson we look at some properties that apply to all real numbers. If you learn these properties, they will help you solve problems in algebra. Let's look at each property in detail, and apply it to an algebraic expression.
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www.math.com/school/subject2/lessons/S2U2L1DP.html
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Definitions: Real Numbers is a set of numbers that includes both rational and irrational numbers ... So the following are examples of real numbers:
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www.pindling.org/Math/Learning/Basic_Math/Rationals/rea...
www.pindling.org/Math/Learning/Basic_Math/Rationals/real_numbers.html
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Rational and irrational numbers definitions, examples, and more. ... That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers.
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www.factmonster.com/ipka/A0876704.html
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