Solve for x: x² + 8x + 12 = 0
- A. x = -2 or x = -5
- B. x = -1 or x = -7
- C. x = 2 or x = 6
- D. x = -2 or x = -6 ✓
Correct answer
D. x = -2 or x = -6
Explanation
Factor the quadratic: (x - -2)(x - -6) = 0, so x = -2 or x = -6.
Related MCQs
- What is the slope of a line passing through the points (6, -4) and (7, -5)?
- What is the greatest common factor (GCF) of 34 and 15?
- What is 50% of 320?
- What is the greatest common factor (GCF) of 26 and 74?
- What is the greatest common factor (GCF) of 67 and 15?
- A car travels at 75 miles per hour. How far does it travel in 1 hours?