# Ex 12.1, 4

Last updated at Dec. 8, 2016 by Teachoo

Last updated at Dec. 8, 2016 by Teachoo

Transcript

Ex12.1, 4 Fill in the blanks (ii) The x-axis and y-axis taken together determine a plane known as_______ The x-axis and y-axis taken together determine a plane known as XY Plane (i) The coordinates of points in the XY-plane are of the form _______. If a point is in XZ plane, then its y-coordinate is 0. So, Coordinates are (x, 0, z) The coordinates of points in the XY-plane are of the form (x, 0, z). (iii) Coordinate planes divide the space into ______ octants. Coordinate planes divide the space into eight octants.

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