engineering mathematics MCQ #1846

The angle between the lines y = x and y = -x is

engineering mathematics MCQ #1846

  1. Question 1

    Q1. The angle between the lines y = x and y = -x is

    • A) 90°
    • B) 60°
    • C) 45°
    • D) 30°

    Answer: 90°

    Explanation: The slopes are 1 and -1, so the product of slopes is -1, indicating perpendicular lines, hence the angle is 90°