Question

Qual o valor de x?
a) X²= 121 ...................................
b) x²=64 .........................................
c) x²= 225..................................
d) x²= 49....................................​

Answer 1

A) x² = 121

x = √121

x = 11

B) x² = 64

x = √64

x = 8

C) x² = 225

x = √225

x = 15

D) x² = 49

x = √49

x = 7