6
Answer: DSet 5: Quadratic Equations (Intermediate)
Explanation
PROBLEM
For the equation x squared - 5x + 6 = 0, what is the sum of the roots?
For the equation x squared - 5x + 6 = 0, what is the sum of the roots?
A.
7
B.
6
C.
4
D.✓ Correct
5
Detailed Explanation
Choice D is the best answer. Sum of roots = -(-5)/1 = 5
Why others are wrong:
A: 7 is incorrect because it does not satisfy the equation.
B: 6 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.