Answer: (−, +, −).
- A (+, +, +)
- B (−, +, −)
- C (−, −, −)
- D (+, −, +)
Correct answer: B. (−, +, −)
Explanation: x is negative, y positive, z negative, i.e. (−, +, −).
Concept context
Coordinate axes and planes in space, octants, distance between two points, and the section formula
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