Question

Se vx=30,entao o valor de x é:

a)90
b)60
c)600
d)900​

Answer 1

√x = 30

(√x)² = (30)²

x = 900

Answer 2

Olá,

$\sqrt{x} = 30 \\ ( \sqrt{x} {)}^{2} = {30}^{2} \\ x = 900$

Resposta: d) 900