What is the sum of ordinates and abscissa of the points $(2, - 6)$ and $(- 2, 8)$ ?

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Solution

The $x$ -coordinate of a point is known as its abscissa, while the $y$ -coordinate of a point is known as its ordinate.

The given points are $(2, - 6)$ and $(- 2, 8)$ .

The ordinate of the point $(2, - 6)$ is $- 6$ , whereas the ordinate of the point $(- 2, 8)$ is $8$ .
Similarly,
The abscissa of the point $(2, - 6)$ is $2$ , whereas the abscissa of the point $(- 2, 8)$ is $- 2$ .

Sum of ordinates = $- 6 + 8 = 2$ .
Sum of abscissa = $[2 + (- 2) = 0]$ .

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What is the sum of ordinates and abscissa of the points (2,−6) and (−2,8)?

What is the sum of ordinates and abscissa of the points $(2, - 6)$ and $(- 2, 8)$ ?