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)

- 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. - 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. - 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? - 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. - C is the mBC?
- 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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