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**Question 1. Write the answer of each of the following questions:****(i) What is the name of horizontal and the vertical lines drawn to determine the position of any point in the Cartesian plane?****(ii) What is the name of each part of the plane formed by these two lines?****(iii) Write the name of the point where these two lines intersect.****Solution:** (i) The horizontal line: x-axis The vertical line: y-axis

(ii) Each part is called: Quadrant

(iii) Origin**Question 2. See the figure given below and write the following:****(i) The co-ordinates of B.****(ii) The co-ordinates of C.****(iii) The point identified by the co-ordinates (â€“3, â€“5).****(iv) The point identified by the co-ordinates (2, â€“4).****(v) The abscissa of the point D.****(vi) The ordinate of the point H.****(vii) The co-ordinates of the point L.****(viii) The co-ordinates of the point M.**

**Solution:** From the figure, we have

(i) The co-ordinates of B are (â€“5, 2).

(ii) The co-ordinates of C are (5, â€“5).

(iii) The point E is identified by the co-ordinates (â€“3, â€“5)

(iv) The point G is identified by the co-ordinates (2, â€“4).

(v) The abscissa of the point D is 6.

(vi) The ordinate of the point H is â€“3.

(vii) The co-ordinates of the point L are (0, 5).

(viii) The co-ordinates of the point M are (â€“3, 0).

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