Question

Solve the equation. Select all that apply.

x2 = 121

Answer 1

x = ±11

Explanation:

Step 1: Write equation

x² = 121

Step 2: Solve for x

1. Square root both sides: x = ±11

Step 3: Check

Plug in x to verify it's a solution.

(-11)² = 121

121 = 121

11² = 121

121 = 121