Answer: 8.
- A 8
- B 12
- C 4
- D 6
Correct answer: A. 8
Explanation: The XY, YZ and ZX planes cut space into 8 regions called octants, one for each combination of signs of x, y and z.
Concept context
Coordinate axes and planes in space, octants, distance between two points, and the section formula
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