Question

03) _ Retire os termos a, b, c das equações
a) x 2 – 64 = 0 _____________________
b) 4x 2 -64 = 0 ____________________
c) 3x 2 - 27 =0 ______________________
d) 2x 2 - 18 = 0 _______________________

Answer 1

Resposta:

Explicação passo-a-passo:

a)x^2=64

x=+-V64

x=+-8

b) 4x^2=64

x^2 =64/4

x^2=16

x=+-V16

x=+-4

c)

3x^2=27

x^2=27/3

x^2=9

x^2=+-V9

x^2=+-3

d)

2x^2=18

x^2=18/2

x^2=9

x=+-V9

x=+-3