Multiple choice

Directions: In the following question, two equations numbered I and II are given. You have to solve both the equations and then choose the correct option. I. x2 + 11x + 28 = 0 II. 2y2 + 13y + 20 = 0

  1. x > y

  2. x ≥ y

  3. x < y

  4. x ≤ y

  5. x = y no relation can be established

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

I: x^2 + 11x + 28 = 0 -> (x+4)(x+7) = 0 -> x = -4, -7. II: 2y^2 + 13y + 20 = 0 -> (2y+5)(y+4) = 0 -> y = -2.5, -4. Comparing: -4 <= -2.5 and -4 <= -4, -7 <= -2.5 and -7 <= -4. Thus x <= y.