8

Set 3: Quadratic Equations (Advanced)

Explanation

Answer: A

PROBLEM

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.

4

✓ Correct
B.

3

C.

5

D.

2

Detailed Explanation

Choice A is the best answer. Product of roots = 4/1 = 4

Why others are wrong:
B: 3 is incorrect because it does not satisfy the equation.
C: 5 is incorrect because it does not satisfy the equation.
D: 2 is incorrect because it does not satisfy the equation.