A point is on the x-axis. What are its y-coordinate and z-coordinates?
y and z - coordinates are zero
A point is in the XZ-plane. What can you say about its y-coordinate?
y - coordinate is zero
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)
I, IV, VIII, V, VI, II, III, VII
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.
(i) XY - plane
(ii) (x, y, 0)
(iii) Eight