Answer: 5.
- A 5
- B 4
- C 3
- D 0
Correct answer: A. 5
Explanation: Distance from the z-axis is √(x² + y²) = √(16 + 9) = 5.
Concept context
Coordinate axes and planes in space, octants, distance between two points, and the section formula
Read the full Introduction to Three Dimensional Geometry notes →