Question

Resolva as equações:
a) x2 - 25 = 0
b) x2 - 36= 0
c) x2 - 64 = 0
d) x2 - 100 = 0​

Answer 1

Resposta:

a) x² - 25 = 0

x² = 25

x = √25

x = 5

b) x² - 36 = 0

x² = 36

x = √36

x = 6

c) x² - 64 = 0

x² = 64

x = √64

x = 8

d) x² - 100 = 0

x² = 100

x = √100

x = 10