NiLManny NiLManny
  • 07-05-2020
  • Mathematics
contestada

Solve y = x2 - 18 for x.

Respuesta :

ethanhuang0808
ethanhuang0808 ethanhuang0808
  • 07-05-2020

Answer:

Step-by-step explanation:

assuming that x2 = x², then the equation is y= x²-18

y= x²-18

y-18=x²

[tex]\sqrt{y-18}=\sqrt{x^{2} }[/tex]

[tex]\sqrt{y-18}= x\\[/tex]

so x = [tex]\sqrt{y-18\\}[/tex]

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