Set 3: Quadratic Equations (Intermediate)

[Variation 1] **Choice D is the best answer.** Factor: (x - 3)(x - 6) = 0. Roots are 3 and 6. Larger: 6

Explanation

Answer: D

PROBLEM

Recent studies show that solve: x squared - 9x + 18 = 0. Find the larger root.

Solve: x squared - 9x + 18 = 0. Find the larger root.

✓ Correct

Detailed Explanation

[Variation 1] Choice D is the best answer. Factor: (x - 3)(x - 6) = 0. Roots are 3 and 6. Larger: 6

Why others are wrong:

A: 7 is incorrect because it does not satisfy the equation.

B: 8 is incorrect because it does not satisfy the equation.

C: 5 is incorrect because it does not satisfy the equation.