Quadratic Equation for SBI PO/Clerk 2018: 16 May

Quadratic Equation for SBI PO/Clerk 2018: 16 May

Quadratic Equation for SBI PO/Clerk 2018: 16 May

Directions (Q. 1-10): In each of these questions two equations (I) and (II) are given. You have to solve both the equations and give answer
1) if x > y
2) if x ≥ y
3) if x < y
4) if x ≤y
5) if x = y or no relation can be established between x and y

1. 
I. 2 x² + x – 1 = 0
II. 2 y² + 13 y + 15 = 0

2. 
I. x² + 12 x + 32 = 0
II. 2 y² + 15 y + 27 = 0

3. 
I. 6 x² – 17 x + 12 = 0
II. 7 y² – 13 y + 6 = 0

4.
I. x² – 82 x + 781 = 0
II. y² = 5041

5. 
I. 6 x² – 47 x + 80 = 0
II. 2 y² – 9 y + 10 = 0

6. 
I. 3 x² – 7 x – 20 = 0
II. y² – 8 y + 16 = 0

7. 
I. x² – 72 = 0
II. y² – 9 y + 8 = 0

8. 
I. 9 x² – 114 x + 361 = 0
II. y² = 36

9. 
I. 13 x + 17 y = 107
II. x – 11 y = –41

10. 
I. 9 x² + 18 x + 9 = 0
II. y² – 3 y + 2 = 0

Answers:

  1. 1
  2. 5
  3. 1
  4. 5
  5. 2
  6. 4
  7. 5
  8. 1
  9. 3
  10. 3
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