Yes, almost all the time. And when it is not coordinate planes it is coordinate hype-spaces (more than just the 2 dimensions that the coordinate plane allows).
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When you give someone directions like go three block up and 2 blocks across.
on a coordinate plane, you have a graph. the graph is spilt into 4 intervals. for example if you get a number like (4,3) then you move to the right four and go up 3. if its a negative number like (-4,-3) then you move to the left four and go down three. :)
You use the x-coordinate before the y- coordinate.
coordinate geometry or algebra is used to solve equations
coordinate geometry is basically a subject of analyising 2 d and 3-d view ...its start from a point extending to line and much more curves like paabola,hyperbola,eclipes e.t.c.3 -d is just an analysis of planes,sphere,hemisphere etc.SO basically it originate from point ...so one should use point as a tool for introducing coordinate geometry