2019 math150 past paper, Exams of Mathematics

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SCHOOL OF MATHEMATICAL SCIENCE: WESTVILLE CAMPUS Math 150 W1: Mathematics for Natural Science Test 1 (12th March, 2019) Duration: 90 min Total Marks: 60 INSTRUCTIONS: Answer all 20 questions Note the instruction on how to fill in the MCQ Card. Use a HB pencil to fill in the MCQ Card Fill in your name and student number on the MCQ Card For each question mark the correct alternative on the MCQ Card Each question is worth 3 marks The MCQ Card must be handed to the invigilator before you leave the test venue. NORVaYNP IMPORTANT NOTE: If the MCQ card is filled incorrectly then you will get a zero QUESTIONS: Qi. Factoring 24x* + 36x3y — 60x"y* yields A: x?(2x + Sy)(x +) B: 12x2(2x —Sy)(x+y) (©)12x2(2x + Sy)@—-y) D: x2(12x — 60y)(x — y) E: None of the above aie x?43x4+2 . x?+5xt6 | lifes t f The expression “>a sarioneze simplities ‘0 x+2 Ay xt6 (x+6)(x+1) mae (B pene C= x+4 x43 x43 x+2)(x+3 li ces) E: None of the above (x+4)(x+6) Q3. The solution of the equation zy 5 pl ae —_ is Yat mo A y=1 By=1 ory=-5/2 C y=9/2 ©)y=-5/2 _ E: None of the above 6yz? 15a3b? Q4, The lowest form of the expression = — a5y-aoyaza 4yz® fy & 8 a SZ 25057 7 aby b a*b Day “Gszy