Question:
Name the octant in which each of the following points lies.
(i) (1, 2, 3),
(ii) (4, – 2, 3),
(iii) (4, –2, –5)
(iv) (4, 2, –5)
(v) (– 4, 2, 5)
(vi) (–3, –1, 6)
(vii) (2, – 4, – 7)
(viii) (– 4, 2, – 5).
Solution:
(i) (1, 2, 3):- 1st Octant,
(ii) (4, – 2, 3):- 4th Octant,
(iii) (4, –2, –5):- 8th Octant,
(iv) (4, 2, –5):- 5th Octant,
(v) (– 4, 2, 5):- 2nd Octant,
(vi) (–3, –1, 6):- 3rd Octant,
(vii) (2, – 4, – 7):- 8th Octant,
(viii) (– 4, 2, – 5):- 6th Octant.
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