3

Set 2: Quadratic Equations (Intermediate)

Explanation

Answer: C

PROBLEM

Recent studies show that solve: x squared - 8x + 12 = 0. Find the larger root.

Solve: x squared - 8x + 12 = 0. Find the larger root.

A.

5

B.

4

C.

6

✓ Correct
D.

8

Detailed Explanation

[Variation 1] Choice C is the best answer. Factor: (x - 6)(x - 2) = 0. Roots are 6 and 2. Larger: 6

Why others are wrong:
A: 5 is incorrect because it does not satisfy the equation.
B: 4 is incorrect because it does not satisfy the equation.
D: 8 is incorrect because it does not satisfy the equation.