steve112233 steve112233

27-03-2021
Mathematics

contestada

[tex] {x}^{2} - 18 < 0[/tex]

Respuesta :

megatron6699 megatron6699

27-03-2021

Answer

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

Step-by-step explanation:

Factorise:(x-sqrt(18))(x+sqrt(18))<0
Critical values:-sqrt18 and sqrt18
Use number line or graphical method

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