4
Answer: BSet 3: Quadratic Equations (Intermediate)
Explanation
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.✓ Correct
4
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.