Set 4: Quadratic Equations (Intermediate)

**Choice D is the best answer.** Factor: (x - 4)(x - 4) = 0. Roots are 4 and 4. Larger: 4

Explanation

Answer: D

PROBLEM

Solve: x squared - 8x + 16 = 0. Find the larger root.

✓ Correct

Detailed Explanation

Choice D is the best answer. Factor: (x - 4)(x - 4) = 0. Roots are 4 and 4. Larger: 4

Why others are wrong:

A: 3 is incorrect because it does not satisfy the equation.

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

C: 2 is incorrect because it does not satisfy the equation.