Solve for x: x² + 4x - 32 = 0
- A. x = -8 or x = 5
- B. x = -7 or x = 3
- C. x = -8 or x = 4 ✓
- D. x = 8 or x = -4
Correct answer
C. x = -8 or x = 4
Explanation
Factor the quadratic: (x - -8)(x - 4) = 0, so x = -8 or x = 4.
Related MCQs
- Solve for x: x² + 3x - 18 = 0
- What is the distance between the points (-2, 5) and (-5, 1)?
- A rectangle has a length of 24 and a width of 10. What is its area?
- What is the distance between the points (4, -5) and (-2, 3)?
- What is the circumference of a circle with a radius of 7 units?
- Solve for x: x² - 2x - 3 = 0