Discussion
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- Question
If 2x + 3y = 0 and 3x - 4y = 34, then x - y = ______
Options- A. 10
- B. -10
- C. 2
- D. -2
- Correct Answer
- 10
- 1. If 5 3x < 4 x and 5(2 x) > 2 2x, then x can take which of the following values?
Options- A. 0
- B. 1
- C. 3
- D. -1 Discuss
- 2. If a:b = 3:8, find the value of (5a 3b)/(2a + b).
Options- A. 9/14
- B. 14/9
- C. -9/14
- D. -14/9 Discuss
- 3. The value of x for which the expressions 15 7x and 15x + 7 become equal is _____.
Options- A. -4/11
- B. 11/4
- C. -11/4
- D. 4/11 Discuss
- 4. If Sin ? = 12/13, then what is the value of Cot ??
Options- A. 13/12
- B. 5/13
- C. 5/12
- D. 13/5 Discuss
- 5. ? ABC is right angled at B. If m?A = 30°., then Sec C =?
Options- A. 1/2
- B. 1/?2
- C. 2
- D. 1/?3 Discuss
- 6. What is the slope of the line perpendicular to the line passing through the points (8,2) and (3,1)?
Options- A. 5
- B. 3/5
- C. 5/3
- D. 1/5 Discuss
- 7. If sin - 5?/3 = x, then the value of x is
Options- A. -?3/2
- B. ?3/2
- C. -2
- D. -2/?3 Discuss
- 8. If (tanA + tanB)/(1 tanAtanB) = x, then the value of x is
Options- A. tan(A + B)
- B. tan(A - B)
- C. cot(A + B)
- D. cot(A - B) Discuss
- 9. If 1/(cosecA cotA) = x, then the value of x is
Options- A. cosecA + cotA
- B. cosecA - cotA
- C. cosec2A + cot2A
- D. ?[cosec2A + cot2A] Discuss
- 10. Which of the following is correct?
Options- A. (4x - 5y)2 = 16x2 - 20xy + 25y2
- B. (4x - 5y)2 = 16x2 + 40xy - 25y2
- C. (4x - 5y)2 = 16x2 - 40xy + 25y2
- D. (4x - 5y)2 = 16x2 - 20xy - 25y2 Discuss
Simplification problems
Search Results
Correct Answer: 1
Correct Answer: -9/14
Correct Answer: 4/11
Correct Answer: 5/12
Correct Answer: 2
Correct Answer: 5
Correct Answer: ?3/2
Correct Answer: tan(A + B)
Correct Answer: cosecA + cotA
Correct Answer: (4x - 5y)2 = 16x2 - 40xy + 25y2
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