369,109 views
14 votes
14 votes

{x}^(2) - 18 < 0


User Linnea
by
2.6k points

1 Answer

25 votes
25 votes

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 Bruce Merry
by
3.0k points
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