**Unit 6:**

**Q.1 Choice the correct option (A,B,C,D) ?**

1. Which ordered pair satisfy the equation y = 2x:

(a) (1, 2) (b) (2, 1) (c) (2, 2) (d) (0, 1)

2. Point O where perpendicular co-ordinate axes intersect each other is called:

(a) Abcissa (b) Origin (c) Ordinate (d) Co-ordinate

3. In p(x, y), x-coordinate is called:

(a) Origin (b) Abcissa (c) Ordinate (d) None of these

4. In p(x, y), y-coordinate is called:

(a) Origin (b) Abcissa (c) Ordinate (d) None of these

5. Point O is represented by order pair:

(a) (1, 1) (b) (- 1, – 1) (c) (0, 1) (d) (0, 0)

6. Point (- 3, -1) lies are quadrant:

(a) I (b) II (c) III (d) IV

7. Point (2, – 3) lies in quadrant:

(a) I (b) II (c) III (d) IV

8. If y = 2x + 1, x = 2 then y is:

(a) 2 (b) 3 (c) 4 (d) 5

9. If (x + 2, 2y – 1) = (3, 5) then (x, y) is equal to:

(a) (1, – 3) (b) (- 1, 3) (c) (1, 3) (d) (- 6, – 3)

10. Distance between two points (1, 2) and (0, 3) is:

(a) 1 (b) 2 (c) 3 (d)

**Q. 2 (Short Questions)**

1.What is ordered pair?

2.Define co-ordinate axes and origin.

3.Define plane geometry and coordinate geometry.

4.Write any four types of triangle.

5.Find the mid-point of the line segment joining each of the following pairs of points

A(0, 0), B(0, -5).