MatthewMay1883 MatthewMay1883
  • 24-03-2018
  • Mathematics
contestada

Which of the following are square roots of the number below? Check all that apply.

25

A. 20
B. -25 1/2
C. 16
D. -5
E. 5
F. 25 1/2

Respuesta :

MrGumby
MrGumby MrGumby
  • 26-03-2018
E and D. 

When squaring a number, the sign winds up positive regardless. 

Also, note that when taking a square root, the answer always involves positives and negatives. 
Answer Link

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