Solve for x: x² - 8x + 15 = 0
- A. x = 4 or x = 4
- B. x = 3 or x = 5 ✓
- C. x = 3 or x = 6
- D. x = -3 or x = -5
Correct answer
B. x = 3 or x = 5
Explanation
Factor the quadratic: (x - 3)(x - 5) = 0, so x = 3 or x = 5.
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?