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

Answer:

A

Step-by-step explanation:

Given

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

x = ± $\sqrt{27}$

  = ± $\sqrt{9(3)}$

  = ± $\sqrt{9}$ × $\sqrt{3}$

  = ± 3$\sqrt{3}$ → A