Title: Revision on
1Revision on Coordinate Geometry
2Example 1
Given A(2, 3) , B(-4, 11). Find the length of
segment AB.
3Example 2
Given A(2, 3) , B(-4, 11). Find
- P(x, y) if AP PB 2 3 ,
- ratio at which AB cuts y-axis.
- If AB is produced to P such that AP PB -3
2. - Find the mid-point of AB
4Example 3
Given P(5, 1) , Q(1, -5) , R(2, 2)
- Find the slope of PQ ,
- Find X(a, 0) on x-axis such that PQ // RX .
- Find Y(0, b) on y-axis such that PQ ? RY.
5Example 4
Given A(-5, 0) , B(0, 8)
- Find angle of inclination of AB with x-axis.
- Find the shortest distance from O to AB.
6Example 5
Given A(1, 3) , B(-3, 2) , C(5, 4) , P(x, y)
- Find P if ABCP is a parallelogram.
- Find P if ABPC is a parallelogram.
7Example 6
Find equation of straight line with the following
conditions
- A(1, 3) , B(-3, 2)
- A(2, 1) , slope ½
- slope 3, y-intercept -2
- x-intercept 3 , y-intercept -1
- slope -2/3 , x-intercept 3
- equal intercepts, passing through (1, 3)
8Example 7
Fill in the blanks
9Example 8
Fill in the blanks
10END