# psodp

in #nsplast year

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,bssing through the points (0,0) and (8,4). (3 marks)

1. 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.
2. The vertices of parallelogram are the points R(1,4), S(3,2), T(4,6), V(2,8). Find the slope of
each side.
3. Determine the slope of each side of the quadrilateral whose vertices are A(5,6), B(13,6),
C(11,2). Can you tell what kind of quadrilateral it is?
4. A quadrilateral has as vertices the points M(a,b), N(c,d), Q(c+d,e), P(a+d,e). Find the slope
of each side.
5. C is the mBC?
6. 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?
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