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how to get a square root of a given number​

Sagot :

Answer:

See below

Step-by-step explanation:

The square root of a number is defined as [tex]\pm y=\sqrt[2]{x}[/tex] where [tex](\pm y)^{2}[/tex] gives the original number. For example, [tex]\sqrt{4}=\pm2[/tex] because [tex]2^{2}=2*2=4[/tex] and [tex](-2)^{2}=-2*-2=4[/tex].

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Example of Calculating Square Roots with Multiplication :

  • The square root of 9 is 3. The number 9 is an integer. This number comes from multiplying 3×3 which results in the number 9
  • The square root of 25 is 5. The number 25 is an integer. This number comes from multiplying 5×5 which results in the number 25
  • The square root of 81 is 9. The number 81 is an integer. This number comes from multiplying 9×9 which results in the number 81
  • The square root of 100 is 10. The number 100 is an integer. This number comes from multiplying 10×10 which results in the number 100

Example of Calculating Square Roots by Division

  • The square root of 4 is 2. The number that divides 4 is the number 2, like 4: 2 makes the number 2. It cannot be divided anymore and can be multiplied by itself.
  • The square root of 9 is 3. The number that divides 9 is the number 3, such as 9: 3 to produce the number 3. It cannot be divided anymore and can be multiplied by itself.
  • The square root of 25 is 5. A number that divides 25 is 5, as 25:5 makes 5. It is indivisible and can be multiplied by itself.
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