Set 4: Quadratic Equations (Beginner)

**Choice C is the best answer.** Take square root: x - 6 = ±2. x = 6 + 2 = 8 or x = 6 - 2 = 4

Explanation

Answer: C

PROBLEM

Solve: (x - 6) squared = 4. Find the positive solution.

✓ Correct

Detailed Explanation

Choice C is the best answer. Take square root: x - 6 = ±2. x = 6 + 2 = 8 or x = 6 - 2 = 4

Why others are wrong:

A: 6 is incorrect because it does not satisfy the equation.

B: 10 is incorrect because it does not satisfy the equation.

D: 9 is incorrect because it does not satisfy the equation.