Question

Find the solutions to x2 = 27.

O A. x = +3,5
B. x = +39
O C. x = +9.12
D. X = +9.5

Answer 1

A

Explanation:

Given

x² = 27 ( take the square root of both sides )

x = ±
`√(27)`

= ±
`√(9(3))`

= ±
`√(9)` ×
`√(3)`

= ± 3
`√(3)` → A