**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) x – axis and y – axis

(ii) quadrants

(iii) origin

**See the figure and write the following:**

**(i) The coordinates of B.**

**(ii) The coordinates of C.**

**(iii) The point identified by the coordinates (–3, –5).**

**(iv) The point identified by the coordinates (2, – 4).**

**(v) The abscissa of the point D.**

**(vi) The ordinate of the point H.**

**(vii) The coordinates of the point L.**

**(viii) The coordinates of the point M.**

Solution:

(i) The coordinates of B is (-5, 2)

(ii) The coordinates of C is (5, -5)

(iii) The point identified by the coordinates (–3, –5) is E

(iv) The point identified by the coordinates (2, – 4) is G

(v) The abscissa of the point D is 6

(vi) The ordinate of the point H is -3

(vii) The coordinates of the point L is (0, 5)

(viii) The coordinates of the point M is (-3, 0)

Next exercise Coordinate Geometry – Exercise 3.3 – Class IX

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