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REAL NUMBERS. (as opposed to fake numbers?). Two Kinds of Real Numbers. Rational Numbers Irrational Numbers. Two Kinds of Real Numbers. Rational Numbers Irrational Numbers. Rational Numbers. A rational number is a real number that can be written as a ratio of two integers.

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Real numbers

REAL NUMBERS

(as opposed to fake numbers?)


Two kinds of real numbers
Two Kinds of Real Numbers

  • Rational Numbers

  • Irrational Numbers


Two kinds of real numbers1
Two Kinds of Real Numbers

  • Rational Numbers

  • Irrational Numbers


Rational numbers
Rational Numbers

  • A rational number is a real number that can be written as a ratio of two integers.

  • A rational number written in decimal form is terminating or repeating.


Examples of rational numbers

16

1/2

3.56

-8

1.3333…

- 3/4

Examples of Rational Numbers


Irrational numbers
Irrational Numbers

  • An irrational number is a number that cannot be written as a ratio of two integers.

  • Irrational numbers written as decimals are non-terminating and non-repeating.


Examples of irrational numbers

Square roots of non-perfect “squares”

Pi

Examples of Irrational Numbers

17


Integers

Integers

One of the subsets of rational numbers


What are integers
What are integers?

  • Integers are the whole numbers and their opposites.

  • Examples of integers are

    6

    -12

    0

    186

    -934



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