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Can someone explain how to identify rational and irrational?

[tex] \sqrt{199} [/tex]
[tex] \sqrt{9} [/tex]
[tex] \sqrt{17} [/tex]


Sagot :

Answer:

A rational number is a number that can be express as the ratio of two integers. A number that cannot be expressed that way is irrational. For example, one third in decimal form is 0.33333333333333 (the threes go on forever).

Step-by-step explanation:

Rational numbers are the numbers that can be expressed in the form of a ratio (P/Q & Q≠0) and irrational numbers cannot be expressed as a fraction. But both the numbers are real numbers and can be represented in a number line.