Ordered Pairs

An ordered pair is a pair of objects whose components occur in a special (fixed) order. It is written by listing the two components in a specific order, separating them by a comma, and enclosing the pair in parenthesis (small brackets).

Thus, a pair of objects in which order plays an important role is called an ordered pair. We denote the ordered pair made up of x and y by (x, y). We say x is the first element (component) and y is the second element (component) of the ordered pair (x, y).

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