bobiskindasmart bobiskindasmart

15-05-2020
Mathematics

contestada

Help Equations with square roots & cube roots HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!! SOS

Help Equations with square roots amp cube roots HELP SOS class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

15-05-2020

Answer:

x = +sqrt(81)

x = -sqrt(81)

Step-by-step explanation:

x^2 = 81

Take the square root of each side

sqrt(x^2) = ±sqrt(81)

x = ±sqrt(81)

Answer Link

amna04352 amna04352

16-05-2020

Answer:

C and D

Step-by-step explanation:

x² = 81

x = +/- sqrt(81)

x = +/- 9

Answer Link

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