Numbers don’t stop at zero. They continue into negative numbers as you count backwards. If you start at 2 and count backwards, you get 2, 1, 0, -1, -2, and the numbers keep going. Take a look at the ...
A grid can be divided into four sections called quadrants. A grid with four quadrants can be used to display coordinates with positive and negative numbers. Coordinates are always written like this (2 ...
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