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{x}^(2) - 18 < 0 ​
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1 vote

{x}^(2) - 18 < 0
​

User Jvdbogae
by
6.0k points

1 Answer

1 vote

Answer

-sqrt(18)<x<sqrt(18)

Explanation:

  1. Factorise:(x-sqrt(18))(x+sqrt(18))<0
  2. Critical values:-sqrt18 and sqrt18
  3. Use number line or graphical method
User Sameh Farahat
by
5.7k points
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