4

Set 3: Quadratic Equations (Intermediate)

Explanation

Answer: B

PROBLEM

Intriguingly, for the equation x squared - 5x + 4 = 0, what is the product of the roots?

For the equation x squared - 5x + 4 = 0, what is the product of the roots?

A.

5

B.

4

✓ Correct
C.

8

D.

2

Detailed Explanation

[Variation 2] Choice B is the best answer. Product of roots = 4/1 = 4

Why others are wrong:
A: 5 is incorrect because it does not satisfy the equation.
C: 8 is incorrect because it does not satisfy the equation.
D: 2 is incorrect because it does not satisfy the equation.