Respuesta :

Answer:

A

Step-by-step explanation:

Given

x² = 16 ( take the square root of both sides )

[tex]\sqrt{x^2}[/tex] = ± [tex]\sqrt{16}[/tex] ← note plus or minus sign

x = ± 4

Since 4² = 4 × 4 = 16 and

(- 4)² = - 4 × - 4 = 16