Discussion
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- Question
ax + 3y = 6 has slope -2/3. What is the value of a?
Options- A. -2
- B. 2
- C. 3
- D. -3
- Correct Answer
- 2
- 1. What is the reflection of the point (5, -2) in the line y = -1?
Options- A. (-7 , -2)
- B. (-5 , 0)
- C. (5 , 0)
- D. (-7 , 2) Discuss
- 2. If a - b = 10 and ab =-21, then what is the value of a3-b3 ?
Options- A. 316
- B. 370
- C. 185
- D. 158 Discuss
- 3. If 1/3(12x/5 - 1/2) + 6/5 = 7/6, then what is the value of x?
Options- A. 1/6
- B. -1/6
- C. 1/5
- D. -1/5 Discuss
- 4. For x > 0, what is the minimum value of x + x+22x ?
Options- A. 1
- B. 2
- C. 2.5
- D. 1.5 Discuss
- 5. If a : b = c : d = 1 : 6, then what is the value of a2+c2b2+d2 ?
Options- A. 1/600
- B. 1/60
- C. 1/36
- D. 1/360 Discuss
- 6. What is the value of Sin 30° + 2 Cos 30° ?
Options- A. (2?2 + 3)/?6
- B. (9 + 2?3)/9
- C. (1 + 2?3)/2
- D. (2?6 + 1)/?3 Discuss
- 7. ? XYZ is right angled at Y. If m?Z = 60°, what is the length of YZ (in cm), if ZX = 3?3 cm?
Options- A. 3?3/2
- B. 3?3
- C. 9
- D. 6 Discuss
- 8. If Sec ? = 13/12, then Cot ? = ?
Options- A. 12/5
- B. 13/5
- C. 5/13
- D. 5/12 Discuss
- 9. If 7x - (3/2) * (4x - 9) = 6.5, then the value of x is?
Options- A. 7
- B. 20
- C. -7
- D. -20 Discuss
- 10. If a + b = 8 and ab = 15, then what is the value of a3 + b3?
Options- A. 98
- B. 152
- C. 124
- D. 260 Discuss
Simplification problems
Search Results
Correct Answer: (5 , 0)
Correct Answer: 370
Correct Answer: 1/6
Correct Answer: 2.5
Correct Answer: 1/36
Correct Answer: (1 + 2?3)/2
Correct Answer: 3?3/2
Correct Answer: 12/5
Correct Answer: -7
Correct Answer: 152
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