Discussion
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- Question
The solution set of 4x - 3y = 47 and 3x + y = 32 is
Options- A. {(15, 3)}
- B. {(4, 12)}
- C. {(11, -1)}
- D. {(12, 3)}
- Correct Answer
- {(11, -1)}
- 1. If 4x -7 < x - 2 and 5x +2/3 ? 3x + 1; then x can take which of the following values?
Options- A. 2
- B. -1
- C. -2
- D. 1 Discuss
- 2. The slopes of two lines are 1 and ?3. What is the angle between these two lines?
Options- A. 15°
- B. 30°
- C. 45°
- D. 60° Discuss
- 3. If tanA = x, then x is
Options- A. ?(cosec2A + 1)
- B. ?(sec2A + 1)
- C. ?(cosec2A - 1)
- D. ?(sec2A - 1) Discuss
- 4. Simplify (b5x2a3z4)*(b3x2a4z5) / (a2b3z2)
Options- A. b5x4a5z5
- B. b5x4a5z7
- C. b5x4a4z7
- D. b4x4a5z7 Discuss
- 5. If cos?/4c - tan?/4c = x, then x is
Options- A. (?3+4)/2?3
- B. (2?2-1)/2
- C. (1-?2)/?2
- D. 5/?3 Discuss
- 6. If 5x - 3(4 x) < 4x - 4 < 4x + 2x/3; then the value of x is
Options- A. -7
- B. 3
- C. 4
- D. 1 Discuss
- 7. Reflection of the point (1,4) in the xaxis is
Options- A. (1,4)
- B. (1,-4)
- C. (-1,4)
- D. (-1,-4) Discuss
- 8. For triangle ABC, find equation of median AD if co-ordinates of points A, B and C are (2,4), (3,0) and (5,2) respectively?
Options- A. 3x - 2y = 14
- B. 3x - 2y = 2
- C. 3x + 2y = 14
- D. 3x + 2y = 2 Discuss
- 9. What is the value of tan 300°?
Options- A. -1/2
- B. -1/?2
- C. -?3
- D. -?3/2 Discuss
- 10. If cotA/?(1 + cot2A) = x , then the value of x is
Options- A. sinA
- B. cosecA
- C. secA
- D. cosA Discuss
Simplification problems
Search Results
Correct Answer: 1
Correct Answer: 15°
Correct Answer: ?(sec2A - 1)
Correct Answer: b5x4a5z7
Correct Answer: (1-?2)/?2
Correct Answer: 1
Correct Answer: (-1,-4)
Correct Answer: 3x - 2y = 14
Correct Answer: -?3
Correct Answer: cosA
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