1.

The following table shows the signs of coordinates in eight octants. IIIIIIIVVVIVIIVIIIx+−−++−−+y++−−++−−z++++−−−− If a point lies in xy-plane then what is its z-coordinate?

Answer» The following table shows the signs of coordinates in eight octants.

IIIIIIIVVVIVIIVIIIx++++y++++z++++

If a point lies in xy-plane then what is its z-coordinate?


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