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Answer: BSet 4: Quadratic Equations (Intermediate)
Explanation
PROBLEM
For the equation x squared - 12x + 36 = 0, what is the sum of the roots?
For the equation x squared - 12x + 36 = 0, what is the sum of the roots?
A.
10
B.✓ Correct
12
C.
24
D.
13
Detailed Explanation
Choice B is the best answer. Sum of roots = -(-12)/1 = 12
Why others are wrong:
A: 10 is incorrect because it does not satisfy the equation.
C: 24 is incorrect because it does not satisfy the equation.
D: 13 is incorrect because it does not satisfy the equation.