issb mathematics MCQ #481

If x² - 9 = 0, positive x equals?

issb mathematics MCQ #481

  1. Question 1

    Q1. If x² - 9 = 0, positive x equals?

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

    Answer: 3

    Explanation: x squared equals 9 so positive x is 3. Work each step carefully; ISSB math rewards accuracy under time pressure.