(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)
- 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
(1) The set N of natural numbers.
(2) The set J of all positive integers.
(3) The set P of all prime numbers.
(4) The set A of all positive integers that lie between 1 and 13.
(5) The set B of real numbers which satisfy the equation 3x2 + 5x – 2 = 0.
- Choose a suitable description (a) of (b) or (c) in set builder form for the following sets.
(1) E ={ 2, 4, 6, 8}
(a) E = { x/ x is an even integer less than 10 }
(b) E = { x/ x is an even positive integer less than 10 }
(c) E = { x / x is positive integer, x< 10 and x is a multiple of 2}
(2) F = { 3, 6,9, 12, 15 , …}
