9
Answer: ASet 1: Quadratic Equations (Intermediate)
Explanation
PROBLEM
Recent studies show that for the equation x squared - 7x + 10 = 0, what is the product of the roots?
For the equation x squared - 7x + 10 = 0, what is the product of the roots?
A.✓ Correct
10
B.
8
C.
9
D.
20
Detailed Explanation
[Variation 1] Choice A is the best answer. Product of roots = 10/1 = 10
Why others are wrong:
B: 8 is incorrect because it does not satisfy the equation.
C: 9 is incorrect because it does not satisfy the equation.
D: 20 is incorrect because it does not satisfy the equation.