Name the octants in which the following points lie - a)(5,2,3) b)(-5,4,3) c) (4,-3,5) D) (7,4,-3) e)(-5,-4,7)

Dear student
a)(5,2,3) Since all the coordinates are positive.So it lies in first octant.
b)(-5,4,3) Since the x coordinate alone is negative.So, it lies in second octant.
c) (4,-3,5) Since the y coordinate alone is negative.So, it lies in fourth octant.
D) (7,4,-3)  Since the z coordinate alone is negative.So, it lies in fifth octant.
e)(-5,-4,7) Since the x and y coordinates are negative.So, it lies in third octant
.Regards




 

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