Question

preciso muito responder isso, pra agora, me ajudem pfvv ​

Answer 1

Resposta:

a)

x²=25

x=±√25=±5

b)

x²=49

x=±√49=±7

c)

x²=4

x=±√4=±2

d)

x²=1/64

x=±√(1/64)=±1/8

e)

x²=2

x=±√2

f)

x²=1/4

x=±√1/4=±1/2

h)

x²=81/4

x=±√81/4=±9/2