engineering mathematics MCQ #1873

The angle between the lines 2x + y = 3 and x - 2y = 4 is

engineering mathematics MCQ #1873

  1. Question 1

    Q1. The angle between the lines 2x + y = 3 and x - 2y = 4 is

    • A) π / 2
    • B) π / 4
    • C) π / 3
    • D) 0

    Answer: π / 2

    Explanation: Slopes are -2 and 1 / 2, product of slopes = -1, so lines are perpendicular, thus angle = π / 2.