If , what is the sum of the possible values of ?
Answer and explanation
Correct answer: C. 15
- Step 1: Consider the quadratic equation with coefficients , , and .
- Step 2: By Vieta's formulas, the sum of the roots of a quadratic is given by .
- Step 3: Substitute the coefficients: .
Answer
15.
Why not the others: 54 is the product of roots (); 39 is ; 14 and 16 are off-by-one errors.
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