Set 2: Quadratic Equations (Intermediate)

[Variation 1] **Choice D is the best answer.** Sum of roots = -(-6)/1 = 6

Explanation

Answer: D

PROBLEM

Recent studies show that for the equation x squared - 6x + 8 = 0, what is the sum of the roots?

For the equation x squared - 6x + 8 = 0, what is the sum of the roots?

✓ Correct

Detailed Explanation

[Variation 1] Choice D is the best answer. Sum of roots = -(-6)/1 = 6

Why others are wrong:

A: 4 is incorrect because it does not satisfy the equation.

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

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