# CBSE Class 10-Mathematics: Chapter –7 Coordinate Geometry Part 12

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**Question 7:**

Show that the points and are collinear.

**Answer:**

For collinear

**Question 8:**

The length of a line segment is 10. If one end point is and the abscissa of the second end point is , show that its ordinate is either or .

**Answer:**

Let be the first end point and be the second end point.

**Question 9:**

Using section formula, show that the points are collinear

**Answer:**

If points are collinear, then one point divides the join of other two in the same ratio. Let divides the join of in the ratio

Hence Proved

**Question 10:**

Find the relation between and y such that the point is equidistant from the points and .

**Answer:**

Let be equidistant from the points

**Question 11:**

Determine the ratio in which the line divides the line segment joining the points

**Answer:**

Let the ratio be

Coordinate of P are

P lies on the line