Find the octant in which the points $(- 3, 1, 2) and (- 3, 1, - 2)$ lie.

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Solution

From the Table, the point $(- 3, 1, 2)$ lies in octant II and the point $(- 3, 1, - 2)$ lies in octant VI.

Octants

Coordinates

I

II

III

IV

V

VI

VII

VIII

x

+

–

–

+

+

–

–

+

y

+

+

–

–

+

+

–

–

z

+

+

+

+

–

–

–

–

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Similar questions

Select the points which lie in the first octant:

Which of the following points lie in the VII th octant?

Which of the following points lie in the VIII th octant?

(1, 2, - 3), (2, - 3, 1)

(- 3, 1, 2)

Name the octants in which the following points lie:

(1, 2, 3), (4, –2, 3), (4, –2, –5), (4, 2, –5), (–4, 2, –5), (–4, 2, 5),

(–3, –1, 6), (2, –4, –7)

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