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Describe the ideas of point line and plane?
A point is a coordinate on an axis. A line is the connection between two points. A plane is the object of perspective that points and lines lie on.
Where would a point lie if its ordinate is 0?
If the point's ordinate, or y-coordinate, is zero then it must lie on the x-axis somewhere.
Where would a point lie if its ordinate is 3?
To locate a point on a plane you need two coordinates. You can't guess the second coordinate based on the first one - or vice versa. The other number can be anything.
Write the coordinates that lie in the third quadrant of the coordinate plane?
Coordinates that lie in the third quadrant are (-1,-1).
What is name of the line that is on the y-axis?
Each point in the plane can be associated with an ordered pair of numbers, called the coordinates of the point. Also, each ordered pair of numbers can be associated with a point in the plane. To set up a coordinate system, we can also choose two perpendicular lines, one horizontal, as the x-axis, and the other vertical, as the y-axis, and designate their point of intersection as the origin. Points with x-coordinate 0, lie in the y-axis; points with y-coordinate 0, lie in the x-axis; the coordinates of the origin, 0, are (0.0).
