issb mathematics MCQ #128

The sum of the roots of x² + 8x + 15 = 0 equals:

issb mathematics MCQ #128

  1. Question 1

    Q1. The sum of the roots of x² + 8x + 15 = 0 equals:

    • A) -8
    • B) 8
    • C) -15
    • D) 15

    Answer: -8

    Explanation: For ax² + bx + c = 0, the sum of roots equals -b/a. Here that is -8/1 = -8.