Discussion
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- Question
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
- Correct Answer
- -6
- 1. Coefficient of x2 in (x + 9)(6 - 4x)(4x - 7) is
Options- A. 216
- B. -4
- C. -92
- D. 108 Discuss
- 2. 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
- 3. Value of (4a2+ 12ab + 9b2)/(2a + 3b) is
Options- A. 2a - 3b
- B. 2a + 3b
- C. 2a
- D. 3b Discuss
- 4. What is the value of sec 330°?
Options- A. 2
- B. -2/?3
- C. -2
- D. 2/?3 Discuss
- 5. 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) Discuss
- 6. (secA - 1)/(secA + 1) is equal to?
Options- A. (1 - sinA)/(1 + sinA)
- B. (1 + cosA)/(1 - cosA)
- C. (1 + sinA)/(1 - sinA)
- D. (1 - cosA)/(1 + cosA) Discuss
- 7. What is the value of tan 7?/6?
Options- A. 1/?3
- B. -1/?3
- C. ?3
- D. -?3 Discuss
- 8. The point R(a,b) is first reflected in origin to R1 and R1 is reflected in X-axis to (-5,1). The co-ordinates of point R are?
Options- A. (5,-1)
- B. (-1,5)
- C. (1,-5)
- D. (5,1) Discuss
- 9. If 8x/3 + [7(5 - 2x/3)]/2 = 1/2 , then what is the value of x?
Options- A. -17
- B. 51
- C. -51
- D. 17 Discuss
- 10. If a - b = -1 and ab = 6, then what is the value of a3- b3 ?
Options- A. 33
- B. -19
- C. 18
- D. 35 Discuss
Simplification problems
Search Results
Correct Answer: -92
Correct Answer: x + 2y = 8
Correct Answer: 2a + 3b
Correct Answer: 2/?3
Correct Answer: (tanA - tanB)/(1 + tanAtanB)
Correct Answer: (1 - cosA)/(1 + cosA)
Correct Answer: 1/?3
Correct Answer: (5,1)
Correct Answer: -51
Correct Answer: -19
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