july cet2018

2017-2018
Basic Education High School, Kan
Grade 10 , Mathematics, July C.E.T Time Allowed (45) minutes
1.Choose the correct or the most appropriate answer for each question. Write the letter of the
correct or the most appropriate answer. (5 marks)
(1) If S={1,2,3,4,5,6,7} is the universal set ,P={1,2,3,4} and Q´={1,2,7}, then P∩Q=…..
A. {1,2,3} B.{3,4} C.{3} D.{4} E.∅
(2) . If A={1,3,5,7,9} and B´={1,2,3,4,5} , then A\B=……
A.{7,9} B.{2,4} C.{1,3,5} D. {1,2,3,4,5,7,9} E. None of these
(3) The point on the Y –axis is
A.(4,-5) B.(4,0) C.(0,-5) D.(-4,-5) E.(-4,5)
(4) The distance between the origin and the point (-5,12) is
A.5 B.12 C.7 D.13 E.17
(5) The points (0,3) , (4,0) line on the line,
A.4y=3x B.3x+4y=1 C.4x+3y=1 D.3x+4y=12 E.4x+3y=12
2.Simplify ((4a^3 b^7)/(-5c4 d^3 ))^3 ((-5c^3 d^3)/(2a(2b^5 ) ))^4 in a step by step fashion and name the rule used at each
step. (5 marks)

1. Find the equation of the line through the point ( 2 , -1 ) and perpendicular to 4x -3y= 5.
   (5 marks )
2. Draw the graph of the relation
   R = {(-4,-3),(-3,-2),(-2,-1),(-1,0),(0,1),(1,2),(2,3),(3,4)}.
3. S={2,3,4,5,6,7,8,9,10,11,} , A = {x| x is a factor of 18}, B={x| 3x-1>20}
   Verify that (a)De Morgans Law (b) A\B = A∩B’