issb mathematics MCQ #400

If x² - 9 = 0, positive x?

issb mathematics MCQ #400

  1. Question 1

    Q1. If x² - 9 = 0, positive x?

    • A) 2
    • B) 3
    • C) 4
    • D) 9

    Answer: 3

    Explanation: Positive square root of 9 is 3. Work each step carefully; ISSB math rewards accuracy under time pressure.