issb mathematics MCQ #126

The smaller root of x² - 9x + 20 = 0 is:

issb mathematics MCQ #126

  1. Question 1

    Q1. The smaller root of x² - 9x + 20 = 0 is:

    • A) 5
    • B) 9
    • C) 4
    • D) 20

    Answer: 4

    Explanation: Factor as (x - 4)(x - 5) = 0, giving roots 4 and 5, so the smaller root is 4.