Discussion
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- Question
If tanA - tanB = X, then the value of X is
Options- A. (tanA + tanB)/(1 - tanAtanB)
- B. (tanA + tanB)/(1 + tanAtanB)
- C. (tanA - tanB)/(1- tanAtanB)
- D. (tanA - tanB)/(1 + tanAtanB)
- Correct Answer
- (tanA - tanB)/(1 + tanAtanB)
- 1. If 4(2x + 3) > 5 - x and 5x - 3(2x - 7) > 3x - 1, then x can take which of the following values?
Options- A. 6
- B. -1
- C. 5
- D. -6 Discuss
- 2. Which of the following numbers is completely divisible by 99?
Options- A. 57717
- B. 57627
- C. 55162
- D. 56982 Discuss
- 3. 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
- 4. 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
- 5. The distance between the points (7,7) and (k,-5) is 13. Find k?
Options- A. -2
- B. 4
- C. -4
- D. 2 Discuss
- 6. What is the value of sec 330°?
Options- A. 2
- B. -2/?3
- C. -2
- D. 2/?3 Discuss
- 7. Value of (4a2+ 12ab + 9b2)/(2a + 3b) is
Options- A. 2a - 3b
- B. 2a + 3b
- C. 2a
- D. 3b Discuss
- 8. What is the equation of line whose slope is -1/2 and passes through the intersection of the lines x - y = -1 and 3x - 2y = 0?
Options- A. x + 2y = 8
- B. 3x + y = 7
- C. x + 2y = -8
- D. 3x + y = -7 Discuss
- 9. Coefficient of x2 in (x + 9)(6 - 4x)(4x - 7) is
Options- A. 216
- B. -4
- C. -92
- D. 108 Discuss
- 10. Given: 5x -3(2x-7) > 3x - 1 < 7 + 4x; then x can take which of the following values?
Options- A. 6
- B. 9
- C. -6
- D. -9 Discuss
Simplification problems
Search Results
Correct Answer: 5
Correct Answer: 57717
Correct Answer: 4x - 4y = 3
Correct Answer: 14y - 6x
Correct Answer: 2
Correct Answer: 2/?3
Correct Answer: 2a + 3b
Correct Answer: x + 2y = 8
Correct Answer: -92
Correct Answer: -6
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