7
Answer: BSet 3: Quadratic Equations (Intermediate)
Explanation
PROBLEM
For the equation x squared - 10x + 24 = 0, what is the sum of the roots?
For the equation x squared - 10x + 24 = 0, what is the sum of the roots?
A.
20
B.✓ Correct
10
C.
12
D.
9
Detailed Explanation
Choice B is the best answer. Sum of roots = -(-10)/1 = 10
Why others are wrong:
A: 20 is incorrect because it does not satisfy the equation.
C: 12 is incorrect because it does not satisfy the equation.
D: 9 is incorrect because it does not satisfy the equation.