issb mathematics MCQ #123

Which pair are the roots of x² - 8x + 15 = 0?

issb mathematics MCQ #123

  1. Question 1

    Q1. Which pair are the roots of x² - 8x + 15 = 0?

    • A) 1 and 15
    • B) -3 and -5
    • C) 3 and 5
    • D) 2 and 6

    Answer: 3 and 5

    Explanation: Factor as (x - 3)(x - 5) = 0, so the two roots are 3 and 5.