Algebra Quiz MCQ Practice
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1. Solve: 2x + 5 = 15
- A. x = 5
- B. x = 10
- C. x = 6
- D. x = 4
Answer: x = 5
Explanation: x = 5 — verified fact for Algebra Quiz.
2. Solve: x² − 5x + 6 = 0
- A. x=-2 or x=-3
- B. x=2 or x=3
- C. x=1 or x=6
- D. x=5 or x=6
Answer: x=2 or x=3
Explanation: x=2 or x=3 — verified fact for Algebra Quiz.
3. If x + 1/x = 5, find x² + 1/x².
- A. 27
- B. 23
- C. 21
- D. 25
Answer: 23
Explanation: 23 — verified fact for Algebra Quiz.
4. Solve for x: 3^x = 81
- A. x = 3
- B. x = 27
- C. x = 4
- D. x = 5
Answer: x = 4
Explanation: x = 4 — verified fact for Algebra Quiz.
5. Factorize: x² + 7x + 12
- A. (x+1)(x+12)
- B. (x+3)(x+4)
- C. (x+2)(x+6)
- D. (x-3)(x-4)
Answer: (x+3)(x+4)
Explanation: (x+3)(x+4) — verified fact for Algebra Quiz.