Fill in the blanks: (i) The x-axis and y-axis taken together determine a plane known as______ (ii) The coordinates of points in the XY-plane are of the form_____ (iii) Coordinate planes divide the space into_____ octants
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Solution
(i) The x-axis and y-axis taken together determine a plane known as XY-plane (ii) The coordinates of points in the XY-plane are of the form (x,y,0), where x is x-coordinate and y is y-coordinate (iii) Coordinate planes divide the space into 8octants.