Discussion
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- Question
Which of the following equations has real and distinct roots?
Options- A. 3x2 - 6x + 2 = 0
- B. 3x2 - 6x + 3 = 0
- C. x2 - 8x + 16 = 0
- D. 4x2 - 8x + 4 = 0
- Correct Answer
- 3x2 - 6x + 2 = 0
- 1. If (4x - 3) - (2x + 1) = 4, then the value of x is
Options- A. 0
- B. 1
- C. 2
- D. 3 Discuss
- 2. If sec2A + cosec2A = X , then the value of X is
Options- A. tan2A cot2A
- B. sinA cosA
- C. secA cosecA
- D. sec2A cosec2A Discuss
- 3. If 3(2 - 3x) < 2 - 3x ? 4x -6; then x can take which of the following values?
Options- A. 2
- B. -1
- C. -2
- D. 1 Discuss
- 4. What should be added to 5(2x-y) to obtain 4(2x - 3y) + 5(x + 4y)?
Options- A. 3x - 13y
- B. 3x + 13y
- C. 13x - 3y
- D. 13x + 3y Discuss
- 5. What is the value of cosec 120°
Options- A. 2/?3
- B. 2
- C. -2/?3
- D. -2 Discuss
- 6. For triangle ABC, what would be the equation of median AD if co-ordinates of A, B and C are (-5,4), (-4,0) and (-2,2) respectively?
Options- A. 3x - 2y = -11
- B. 3x + 2y = 7
- C. 3x + 2y = -7
- D. 3x - 2y = 11 Discuss
- 7. The distance between the points (7,7) and (k,-5) is 13. Find k?
Options- A. -2
- B. 4
- C. -4
- D. 2 Discuss
- 8. What should be added to 8(3x - 4y) to obtain 18x - 18y?
Options- A. 6x - 14y
- B. 14y + 6x
- C. 14y - 6x
- D. 6xy Discuss
- 9. What is the equation of the line whose y-intercept is 3/4 and making an angle of 45° with the positive x-axis?
Options- A. 4x - 4y = 3
- B. 4x - 4y = -3
- C. 3x - 3y = 4
- D. 3x - 3y = -4 Discuss
- 10. Which of the following numbers is completely divisible by 99?
Options- A. 57717
- B. 57627
- C. 55162
- D. 56982 Discuss
Simplification problems
Search Results
Correct Answer: 2
Correct Answer: sec2A cosec2A
Correct Answer: 1
Correct Answer: 3x + 13y
Correct Answer: 2/?3
Correct Answer: 3x + 2y = -7
Correct Answer: 2
Correct Answer: 14y - 6x
Correct Answer: 4x - 4y = 3
Correct Answer: 57717
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