Concept explainers
To fill: The pair of number which represent a point in the plane and name the number of the pair.
Answer to Problem 1CRQ
A point in the plane can be represented uniquely by an ordered pair. The first number is called is abscissa (x-coordinate)and the second number of the pair is called ordinate(y-coordinate).
Explanation of Solution
Let
Draw a perpendicular from P to x-axis and to y-axis, then x is the number that correspondence to x-axis at which the perpendicular line through
Pont P can be uniquely represented by an ordered pair
The number x is called abscissa or x-coordinate and second number y is called ordinate or y-coordinate.
Hence, a point in the plane can be represented uniquely by an ordered pair. The first number is called is abscissa (x-coordinate)and the second number of the pair is called ordinate(y-coordinate).
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Chapter 1 Solutions
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