jasonwells2530 jasonwells2530
  • 15-07-2022
  • Mathematics
contestada

If 9: x= x4, then x=

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 15-07-2022

Answer:

x = ±6

Step-by-step explanation:

9 : x = x : 4

9/x = x/4

Cross multiply.

x² = 9 × 4

x² = 36

x = ±√36

x = ±6

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