Quadratic Equations Set – 5

Quadratic Equations Set – 5

Directions (Q. 1-10): In the following questions two equations numbered I and II are given. Solve both the equations and give answer.

1. a)   If x < y
2. b)   If x ≥ y
3. c)   If x ≤ y
4. d)   If x = y or no relationship can be established
5. e)   If x > y

1).

1. 2x² – 6√2 x + 8 = 0
2. 2y² – 7√2 y + 12 = 0

2).

1. x²– 2x – 35 = 0
2. y²– 15y + 26 = 0

3).

1. 2x²+ 17x + 36 = 0
2. y²+ 21y +108 =0

4).

1. x²– 7x -60 = 0
2. 4y²-13y -12 = 0

SEHPAATHI TEST APPLICATION : CHALLENGE YOURSELF

5).

1. x² – 54 = 3x
2. y² = 36

6).

1. x = √7921
2. y = ³√704969

7).

1. x²+ 9x + 20 = 0
2. y²+ 5y + 6 = 0

8).

1. 2x + 4y = 13
2. 4x + 2y = 14

9).

1. x²+ 11x + 30 = 0
2. y² + 13y +42 = 0

SEHPAATHI TEST APPLICATION : CHALLENGE YOURSELF

10).

1. x²+ 29x = -210
2. y²+ 28y = -195

ANSWERS:

1 – D

2 – D

3 – E

4 – D

5 – D

6 – D

7 – A

8 – E

9 – B

10 – C