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