9MathQ02-3,5Text
Chapter 2
Exercise 2.1
1.Find the slope of each line which contains each pair of points listed below. 
    (a)   (0,0)    and    (8,4)        (b)   (10,5)   and    (6,78)               (c)   (2,-2)     and   (4,2)
    (d)   (0,3)    and    (-2,3)      (e)   (-2,0)    and    (0,6)                  (f)    (15,6)    and    (-2,23)
    (g)  (-5,7)    and   (3,8)        (h)   (63,49) and    (-7,9)                 (i)   (5/2  ,4/3 )     and   (-13/2  ,16/3 )
    (j) (2a,3b)   and   (-a,b)       (k)   (5√2  ,6√3  ) and (√8, √12)   (l)   (0,n)   and  (n,0)
  Find the slope of the lines passing through the points (0,0) and (8,4).  (3 marks)
2. The vertices of a triangle ate the points A(-2,3), B( 5,-4) and C(1,8). Find the slope of each 
    side and also the slope of median.
3. The ices the points M(a,b), N(c,d), Q(c+d,e), P(a+d,e). Find the slope 
    of each side.
6. C is the mid-point of AB, A if the point (-3,-2), and B is the point (2,8).
    What is the slope of BC?
7. Given the points D(-4,6), E(1,1), F(4,6), find the slopes of DE and EF. Are D,E and F 
    collinear ? Why?
8.