CHAPTER-15, COORDINATE GEOMETRY

1. The ratio in which the line segment joining A(-2, -3) and B(3, 7) is divided by the y-axis is

 
 
 
 

2. If the distance of the point P(x, y) from the point A(5, 1) and B(-1, 5) are equal then

 
 
 
 

3. The perpendicular distance of A(5, 12) from y-axis is

 
 
 
 

4. If origin is the centroid of a triangle whose vertices are A(a, b), B(b, c) and C(c, a), then the value of a + b + c is

 
 
 
 

5. If the vertices of a triangle are (3, 75), (-7, 4), (10, -k) and its centroid is (k, -1), then

 
 
 
 

6. If a line is drawn through (4, 6) parallel to the x-axis, then the distance of this line from the x-axis is

 
 
 
 

7. A circle drawn with C(2, – 4) as the centre passes through (5, – 8). The point which does not lie in the interior, of the circle is

 
 
 
 

8. If the points (0, 0), (1, 2) and (x, y) are collinear, then

 
 
 
 

9. The distance between the points P(6, 0) and Q(-2, 0) is

 
 
 
 

10. The points (- 5, 0), (5, 0), (0, 4) are the vertices of

 
 
 
 

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