cetmessagge

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’

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)/(-5c^4 d^3 ))^3 ((-5c^3 d^3)/(2a^(2b^5 ) ))^4 in a step by step fashion and name the rule used at each
Fill in the blanks with the correct word(s), phrase(s) ,term(s), etc..as necessary.(5marks)
(i) A charged particle is a (an) …… .
(ii) Variation of temperature can affect ……. and volume of the gas.
(iii) 100℃ is equivalent to ……..K.
(iv) A molar solution dissolves ……. of solute in 1 dm3 of the solution.
(v) Compound found between metals and non- metals will have ……. bond.

1. A compound is formed between X(2.3) and Y(2.7) elements.
   (i) What type of bonding exists between X and Y?
   (ii) Write down the electron dot cross structure