2022 Sec 2 Express Math EOY Outram Secondary with Answers

Visit FREETESTPAPER.com for more papers Website: freetestpaper.com Facebook.com/freetestpaper Twitter.com/freetestpaper

BP - 295 Class lndex Number Name E5TO r&6 OUTRAM SEGONDARY SCHOOL EN D.OF.YEAR EXAMINATION 2022 : Mathematics :l : SecondaryTwo Express : 6 October2022 50 Subject Paper No. Level(Stream) Date Duration : t hour 30 minutes Marks : 50 READ THESE INSTRUCTIONS FIRST Candidates answer on the Question Paper. Write your name, class and index number on all the work you hand in Write in dark blue or black pen. You may use an HB pencil for any diagrams or graphs. Do not use staples, paper clips, highlighters, glue or conection fluid. Answer all questions. lf working is needed for any question it must be shown with the answer. Omission of essential working will result in loss of marks. The use of an approved scientific calculator is expected, where appropriate. lf the degree of accuracy is not specified in the question, and if the answer is not exact, give the answer to three significant figures. Give answers in degrees to one decimal place. For r, use either your calculator value ot 3.142, unless the question requires the answer in terms of ,r. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [] at the end of each question or part question This document onsists of 10 printed pages, including this cover page. Setter: Ms Chua Yi Ping PartnerlnLeaming 295 For Examiner's Use

Answer all the questions 1 Expand and simplifu the following expressions. (a) (a-c)(3a+2c), O) (2m+n\2. BP-?97 t2) tll Answer Answer 2 (al Make 6 the subject of the formula a =ry5-b (b) Find the value ofD when a = - l. Answer lzl PartnerlnLeaming 297 Answer t1l

f (a) Factorise 2x' -llx-21 completely. Answer O) By factorisng 1p'z +3 p - 6 completely, explain whether there is any integer p such that 3p2 +3p -6 is a prime number. Answer BP - 298 t2l tzl 4 1 It is given that 72 is inversely proportional to .x and y = 4 when 2 (a) Find the equation connecting -y and x. Answer (b) Find the value of .r when y = S. t2l Answer t1l PartnerlnLeaming 258

5 3 people can fold 360 pieces oft-shirts in 3 hours. (a) How long does it take I person to fold 480 pieces oft-shirts? Answer O) State the assumption that you have made for your answer in part (a). Answer hours t)1 BP - 299 tll 6 Simplifu the following expressions. 2xz\ 3(x- l) 2x+\ry'(a) ._,x -l 7 (b) (x-6) x2 -4x-12. 5 Answer t2) Answer t3l PartnerlnLeaming 299

7 Given that a-b=5 and a6=3, evaluate a'+D' using algebraic identities. Answer 8 Alina and Chloe were asked to solve the equation 2x(4x + 5) = 4x(x + l) . The following showed the partial workings presented by Alina and Chloe: BP - 300 l2l Alina's partial working 2x(4x + 5) = 4{7 all 8x2 +10x = 4x2 + 4x 4x2 + 6x =0 Chloe's partial working 2x(4x + 5) = !{y a11 lxz +llx = 4x2 + 4x 4x2 = -6x 4x -- -6 (a) Whose partial working is correct? Answer O) Complete the working for t