hamdayassenomer hamdayassenomer

24-11-2021
Mathematics

contestada

Make x the subject :
y = x² + 4

(please explain it in the best way :>)

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

24-11-2021

Answer:

±sqrt(y-4) = x

Step-by-step explanation:

y = x^2 + 4

Subtract 4 from each side

y-4 = x^2+4-4

y-4 = x^2

Now take the square root of each side

±sqrt(y-4) = sqrt( x^2)

±sqrt(y-4) = x

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