1WI MRTEMflTIK (I4,+9) FIIBII4RT INTBTIMEN PEPTHIKSHHN SPh,I MULflI Tru{UN MHTH PETRJHBHN l ! f RUMUS MATEMATIK MATHEMATICAL FORMULAE Rumus-rumus berikut boleh membantu anda menjawab soalan. Simbol-simbol yang diberi adalah yang biasa digunakan. Thefollowingformulae mqt be helpful in answering the questions. The synbols given are the ones commonly used. NOMBORDA}{ OPERASI NUMBERSAND OPERATIONS L a* x ail - am+n 2 Q*+An-Am-t 3 (a*)n: onn n .!4 a" : (a*) s Faedah mudah 6 Faedah kompaun 7 Jumlah bayarun balik / Simple interest, / I: Prt Compound interest, / MV: Tbtal repayment, A \t * t)"' P+Prt PERKAITAN DANALGEBRA RE LATIONSIIIP AND AL GE B RA Jarak / Distance :''l @, -i$i(y, - r$ Titik tengah I Midpoint, 3 (x, y): (t?, Yt+ Yz\ 2) jarak Laju purata: )umlah Jumlah masa Average speed : Total distance Total time lz- lt xz- xt m:m: pintasan-y pintffiat-x v-interceot __!_____L x-intercePt o':;;*(1:) 1l SUKATAN DAl\[ GEOMETRI MEAS URE MENT AND GE OME TRY I Teorem Pythagoras I \,thagoras Theorem, 2 Hasil tambah sudut pedalaman poligon I : (n- 2) x 180' 3 Lilitan bulatan : r.d:2nj : Circumference of circle = nd 4 U - : 2nj Arc length : 2nr Luas sekor 1tj, Luas lelayang e g 360" : e 360o : e 360' : +"hasil L Luas trapezium darab panjang dua pepenjuru x product of two diagonals : Area oftrapeziu* 9 _ 360' Area of sector Area of kite = "2 8 2nr nrz Panjanglengkok TEr2 7 Sum of interior angles of a polygon Luas bulatan: nj2 Area of circle . e : d + b2 Luas pernrukaan +"hasil : tambah dua sisi selari x tinggi L x sum of two parallel sides x height silinder: 2nj2 + 2njt :2nr2 * Znrh Surface area ofcylinder 10 Luas pennukaan kor: Surface area ofcone 11 : nj2 + njs fir2 * nrs Luas permukaan sfera :4fij' Surface area of sphere 4nr2 : 12 Isi padu prisma: luas keratan rentas x tinggi I/olume of prism : arca of cross section x height 13 Isi padu siltnder: njzt Volume of cylinder : nr2h ru 14 kon:!-xi?t Isipadu Tolume of cone 15 : Lnr'h sfera:lnf Isipadu Volurne of sphere 16 Isi padu : *"r' piramid: + Volume of pyramid: r + luas tapak x tinggi ,. base area x height t7 Faktorskala.k-PA' ,PA Scalefactor, l8 k: Luas imej : Area of image PA' PA fri x luas objek : H x area of object STATISTIK DAN KEBARANGKALIAN S TATIS TI CS AND P ROBAB ILITY tMinlMean.T: .N * \.r Mrnl Mean,T:t4 T varians / variance, oz :L(x.l,)2 :U- -* NN C :Z'frf-- D' 4 Varians 5 Sisihan piawai I standard deviation, I variance, :Y --* LTU 6: 6 Sisihan piawai / Standard deviation, o: 7 8 PU\: W: W re--r tr; n(A) r,(S) P(A',):1-P(A) lv 7 6\ RoJ= ,{s BAHAGIANA =_L R '^/s I 2i -7x-15=0 2=k t1[$ (2x+3)(x-s)=0 3_ x=__,x=5 k=-6 ---!3r/s R= 2 (a) + 53618 647s 6 (b) 62308 - --:-= '{s 3{s (b) Ungkapkan dalam asas sepuluh dahulu:21016 Express in base ten -3 =2 S=8 first:2l0ro Kemudian ungkapkan kepada asas enam: 550u (a) -3+7=4 Then, express in base six: 5505 (a) a(e (b) x=2 -N=2a y K=3 -2=8 Y=10 61 lltz+ aX3) + 24 + =24+ 24+ +02 7 + 4)(6) 7 48 -2x=22 -2(2) =22 "=12 =96m (a) Kos perubatan selepas deduktibel All(BUC) Medical cost after deiluctible =RNI22 000 = RM21 400 - RM600 Kos yang ditanggung syarikat insurans The cost borne by the insurance company (b) cu(AnB)' 75 ,RM2l 100 400 = RM16 0s0 Kos yang ditanggung Puan Amanda The cost borne by Puan Arnanda 25 *RM21 = 100 400 + RM600 = RMs 950 l0 |umlah pendapatan tahunan Total annualincome (a) r = RM117 600 - RMl4 640 = RMl02 960 = 1@, b), (a, b), (a, b), (a, c), (a, d), (b, c), (b, c), (c, d), (d, d)I n(E) =e Pendapatan bercukai Taxed income (b) >d(E) =2(e) = RM102 960 - RM21 000 = RM79 460 =18 BAHAGIANB r1 (a) Palsu False (b) a-d<3-d (c) 4n3 + n2 n = 1,2,3, ... (d) y+x-7=O @ Global Mediastreet Sdn. Bhd. (762284-U) (6-2)x180" 6 l2 - RM2 500 (e) likax *3, maka 3x + 4 + Ifx+3,then3x+4*73. L2 ls Iikax = 3, maka 3x + 4= 13. Ifx=3,then3x+4=73. (a) (i) Lokus X ialah bulatan dengan pusat O dan jejari 5 cm. Locus X with center O and radius of 5 cm. is a circle (ii) Garis lurus 13. BD lstraight line BD (b) (a) 23 (b) Qt--9'Qz=22 22-9 =13 \. (c) Meanltwin,T n 15.72 2#=sa23 Yariancelvariant= )l "... BAHAGTANC n' - (i)' 16 (a) (i) x= -5423 - 8.722 54.16 2+ 1+3+5+5+11+10 = s.29 (d) 7.36 13 13 (ii) MinlMean= 18 = x-2=tt (b) (a) (b) Grafdilukis betul dengan skala seragam untuk0 <f< 10 dan0 < h<120. Graph conecty drawn with uniform scale for 0 < t < 10 and 0</,<120. ls n Ri )u 't* rs (c) (c) (i) (i, la 2</<3.5;6.5<t<7.5 112.5<h<114.5 (a) (i) (-4, 11) (ii) (-s,7) (b) (r) Pembesaran dengan faktor skala 3 dan pus at A(2, Enlargement with scale factor of 3 and centre at A(2, 3) . (ii) btas ABCD|Area of ABCD = 32 x Luas WXYZlAreaof WXYZ =32 x 40 AI rd ft* l0- t2 13- 15 5 2 10 20 2 5 t0 50 3 8 24 192 4 11 44 484 t2 t44 t2 1 f= 15 lfr = 100 >ff =seo MinlMean=100 =o.oz 15 3) . Sisihan piawarl Standard deviation= e; = 3.8s Yafiars I Vari an c e = 3.8 52 = 14.8 = 360 (ii) Luas rantau berTorekl Area of shaded region =360-40 = 320 @ Global Mediastreet Sdn. Bhd. (762284-U) )tu (i) 1-3 4-6 7 -9 246 Si l3 Sisihan piawai Batrisyia adalah lebih daripada sisihan piawai Anna. Data Batrisyia lebih terserak daripada data Anna. Serakan bagi jumlah masa panggilan yang dibuat oleh Batrisyia adalah lebih terserak daripada serakan bagi junrlah masa panggilan yang dibuat oleh Anna. (Lain-lain jawapan yang munasabah) Isi p4du silinder I Volum e of cylinder 22 =_x 7 Batrbyials standard deliation is more than Anna\. Batrisyiai ilata is more disperse than Annu's, The dispersion of total time of voice calls by Bafiiryia is wtiler than Atna (Any other reasonable answer) Isi padu kon/Tolume of cone 122^) =-x-x5'x/ 37 76=y+I0 =66 (l + 10) +.1= too Isi padu hemisferalVolume of henisphere l=45 t422 =-x-x-x 237 x=55 NfalAlpha = 55 Lebihan isi padu lExcess volume = 198 - 66 =75.43 Luas permukaan kotakl Area of the box =30x30 = 900 - 56.57 2xZxr=8.8 7 Luas bulatanlArea of circle r=l.4cm 22 l5--) =-x / Panjang kuboi d,l Length of cuboid =1.4x2x4 ll.2 = 707.14 = Luas segi tiga sarnalArea ofequilaural triangle Lebar kuboid/Width of cuboid =!xa0x25.98 =389.7 2 =1.4x2 kotak AlfalThe area ofremainingbox (Alpha) =2.8 = 192.86 Panjang lengkokl Length Luas lebihan kotakBeta/The area of remainingbox (Beta) of arc =!xe.s 4 = 510.3 (c) Alfa. t' = 56.57 Beta/Beta = 45 Luas lebihan x,/ = 198 17 (a) x+y =100 (b) ^j 3- [Penerangan yang boleh diterima] Alp ha. [Reas onabl e explanation -1'' ] Perimeter r.antau tidak berlor eklPerimeter of non-shaded region = 2(11.2) + 2(2.8) + t6(2.2) = 63.2 crn (a) {(N, il), (N, S), (N; a), (a, ll), (S, a), (a,N), (a,u),(a,S)l BAHAGIANA L y<6 "122=!6 5y>3x+5 y) -x+9 (b) 2 -2i-7x+4=0 (a) 2*+7x-4=0 =#"RMs000 x= | ,x= -4 2' = RM500 Harga secawan teh/Price of a cup of tea = RMx Harga segelas jus manggaiPrice of a glass of mango juice = RNIy fumlah terkumpuUA ccumulated. amount = RM500 x 12 = RM6 000 x+y- / ...(1' 4y-x= 18 ...@ (b) Aliran tunai bulanan En. Vicky O*@ 5Y Mr. ViclE's monthly cashflow = RMs 000 + RM750 - RM500 =25 /=5 (a) Laluan png muugkin dari (1) BenailTrue (ii) - RMl200 - RMI 000 = RM3 0s0 x=2 a (a) Simpanan bulanan untuk dana kecemasan d Mo nthly s avlngs fo r em ergen cy fun (2x-t)(x+4)=o 3 (u, S), (u, a), (S, .tQ, (s, a), Possible paths Palsulra/se A-G-F-E=Z+4+6=L2 A-G-C-E=2+4+7=13 A-G-C-F-E=2+4+5+6=17 A-G-F-C-E=2+4+5+7=18 (b) Implikasi l:likam3 = -64,ma.kam= -4 Implikasi2: Iikam= -4, maka m3 = -64 L; If m3 = -64, then m = -4 Implication 2: If m = -4, then m3 = -64 Implicatinn Maka, A-G-F-E ialah laluan terpendek dengan jarak 12meten (c) (9-2)x180"=1260n @ Global Mediastreet Sdn.Bhd.. bucu A ke bucu E: from vertex A to lrertex E (7622U-U) Thus, A-G-F-E is the shortat path with the distance 12 metres, l4 r0 (a) (a) #=o+.s 60 t=140 (a) t(e) - 2m(-3) =0 ^=- a 2 (b) (i) 30r + sjy = 2 79s 50x + 4OY =2220 so\/x\ _ /2 leo\ (ii) ' ' /30 \s0 aol\r/ \2220) | lx\_ (iii) \y/ - go(ao) x=18 /=33 140 -s0\/21e0\ so(so) \-so to )\zzzo ) 2(18) + 3(33) = RMl3s t4 (a) (:,6) O) (i) (a) V ialah pantulan pada garis lurus AB. Y is a reflection at straight kne AB. (b) U ialah pembesaran pada F, dengan faktor skah lJ (ii) 90 = is a enlargement ar (I \J/ )'* E with scal" |orto, of l. fuas objeklAreaofobject Ltas objeWArea of objecr = 8lO Luas rantau berloreWArea of shadedregion =810-90 =720 3 15 tal -2 (b) r=3 (c):=z(S)+c -- 1 l=2x-7 r=-7) (d) o-\?'/ /2. (e) "2 r\ a BAHAGIANC 16 (a) fi\ 25 xx=100 100 Simpanan Ridhwan/Ridhwan\ savings = RM400 (c) (i) t1<l< (ii) 1.6<r< 12 (a) (b) 7o xx-1oo 12 100 1.8 Harga hadiah/ (b) - 90 = 60 km (c) Laiutspeed=rd* (i) 22 lenama AlBrand e = L * '27 * 3.52 x x 3.52 x7 7 = 134.75 60 = _51.43 km -51.43 km = RM142.86 (iii) RM42.86 30minitlminutes 1s0 Presentls prtce 1 jr = 89.83 h-1 @ Global Mediastreet Sdn. Bhd. (762284-U) ''2- lenamaBlBranaA=i*12 ls ].r (ii) Jenama AlBrandA =J!- * n+.ZS = 101.06 lerama B I BranO, = #x BAHAGIANA I (a) 10, 89.83 = 85.34 |enama A. Kerana kandungannya melebihi jenama B. (b) 4226 (c) 724, 2 MV=4r*i)"' Brand A. Because it has more volume than brand B. p = nuiz ooo, r= (c) fenama A. Kerana kandungannya melebihi jenama B. (atau lain-lain penjelasan yang munasabah) 3 (a) |umlah bayarutT bahk/ Totat repayrnent = 50 000 + (50 000 x 0.05 x 3) = RM5T s00 o +a+ (ii) -: [l (b) (i) Ansuran bulananl Monthlv instalment (ii) 57 500 3x12 =RML597.22 (b) (i) Jumlah petdapatanlTotalincome Implikasi: fika k ialah gandaan bagi 8, maka k ialah gandaan bagi 4. Implication: If k is the multiple of 8, then k is the multiple of 4. Songsangan: Jika ft bukan gandaan bagi 8, maka ft bukan gandaan bagi 4. Inverse: If k k not the multiple of 8, then k is not the multiple of4. (Anc)uB (b) = RM5 500 Simpanan tetap bulanan/ Monthly fxed savings (a) Titik minimuml Minilnum point: (2, 10 = r00 x5s00 of symmetry, x=2 (b) fumlah perbelanjaarLl Total expenses = RMI 597 + RM500 + RM100 + RM100 + RM200 =RMZ497 Baki pendapat an I Incom e b alance RMss0 - f(x)=x2+4x+c -s=(2)r+4(2)+c c=-21 Min/Mean RM300 V= k - 2) + k + k + (sk4 Lebihan pendapatanl Surplus of income =RM46s0 -PM2497 o= = RM2 153 k2 or a= 21, _ 1 +k2+l(+(5kk=2 Puan Azah akan mengalami lebihan pendapatan 2t "10 dalam pelan kewangannya, sebanyak RM2 153 (rujuk pengiraan di atas) Yes. 9 1 Puan Azah will experience surplus of iflcome in her financial plan, because her surplus income is RM2 1 53 (refer to the above calculations) 45 1\*/2 b\(-L, '\10 el \10"r\e) Ya. Puan Azah akan mencapai pelan kewangannya untuk membeli televisyen pintar dalam masa tiga bulan. Kerana lebihan pendapatannya adalah sebanyak RM2 153 setiap bulan dan simpanan bulanannya adalah sebanyak RM550 setiap bulan. 2 45 aP (-) lain-lain s eb ab y ang munas ab ah) Puan Azah will achieve her plan to buy a smart teleyision in a period of three months. Because her surplus income isRMz153 per month andher monthly savings isRM550 per month. (at au - 3q= to 4p + 104 = -16 -t3q Yes. = 26 q= -2 P=I Sudut sepadan rtjukanl Corresponding = kos/cos-r 0.2588 = 75" (or any other relevant reasons) @ Global Medinstreet Sdn. Bhd. (762284-U) 2) -zk=o Ya. (c) -l) Persamaan paksi simetri/Eqa ation of axis = RM550 - -o (a) (PUR)nQ =5000+500 = RM5 s00 = RM4 6s0 ) = RMl3 513.95 bayaranbalk/Total repayment = s0 000 + (50 000 x 0.05 x 5) = RM62 s00 _ 3 o'04 \rzx:) (a) (i) fumlah (ii) = o.on, n = 2. t = MV = RMI2 oooit + "''-'-"'-"""\'' 2 Brand A. Because it has more volume thnn brand B. (or any other reasonable explanation) 17 fr l6 reference angle [ [ - 75") atanl or (180' = (180" (iii) / 3 \2 + 75") lt/= = 105" atailor25l" Luas PQRS/Area of ro lqns - Luas PQRS/-Area o/PQRS = 22.5 ro (a)e=# $1{ 14 (a) (0 27 s=T (b) 2702\ sr=nT /=* s101s2025 1 (ii) BAHAGIANB tt (a) 4t + 2(-6) = 0 | (b) (0 /2 -3\ ot(2)_13xr1-s -l-2 3 \ \s 3O saatlseconds (ii) I20-44 7) 10-0 =8ms-2 -71 (iii) /=5 1 Jarak/osra nce (c) 4x+3Y=Zg 2x + 5Y (i =25 rs (a) 3H)=ffi) (;)=En +nr(1 ;)G") @) #6=-+ l=6 b)*=#=+ 1 3=t(6)+c 3 2 y= 33 4-*-T (c) -: = f(8) +c c=-9 , = 1* -9, Pintasan-rix -intercEt Y = 0 ? o =:_nx _ 9 x= 13 (a) PQ L2 ='{G1 ="'h[i PQ=12 (b) (i) PantulanPadagatisx= 6 Reflection at the line x -- 6 (ii) Pembesaran dengan faktor skah Enlargement with @ Globat Mediastreet Sdn. Bhd. scale faaor I (7622U-U) ] (t) y<**, (n) y> -x+2 <*t,r*_u x=5,y=3 n ;(2s)(r00) =1250m x=3 (b) I Jarak/orcra /,ce = pada pusat S(7, 2) at centre S(7,2) t7 = + a0)(120) ;(30 =4200m Masa/rme (s) BAHAGTANC (b) Tidak, kerana julat nilai bagi Kedai Kek A adalah lebih tinggi daripada Kedai Kek B. Hasil jualan kek di Kedai Kek B adalah lebih baik berbanding Kedai Kek A kerana nilai sisihan piawai bagi Kedai Kek B adalah lebih kecil daripada Kedai KekA. 16 (a) (i) 1 :3 '25- 111) x = x= r RMz 400 75 RM2 400 75 t5 No, because the range value of Bakery A is higher than Bakery B. The sales reyenue of cakes in Bakery B is better than that ofBakery A because the standard deviation value of Bakery B is smaller than that = RM800 (b) (i) 28x + -x 24y = 3 200 of Bakery A. 25x+27Y=3080 /28 24\/x\ /3200\ \zs zz)\y)= \e oso] /x\ \y)= x=80,y=40 eB)eD | 127 -24\t3200\ - er)er\-zs zs /\r oso/ (30)(30)(30) =27 000 cm3 Alia perlu guna acuan kek berbnetuk silinder yang mempunyai isi padu 28 631.48 cm3 berbanding acuan kek berbentukkubus dengan isipadu2T 000 cm3. Alia needs to use a cylindrical cake mold that has a volume of 28 637.48 cm3 compared to cube-shaped one that has volume of Tidak bersetuju, sebab harga yang ditawar oleh A lebih murah pada harga RM240 pembekal 27 berbanding dengan pembekal B pada harga RM360. Disagree because the price ofered by Supplier A is much cheaper at RM240 comltared to Supplier B! RM360. (c) Bilangan jubin lNumber of tiles- (20 x lgoX9-l = 640 10Q) cm'z (5u x 5u) cm' Cukup kerana bilik cikgu hanya memerlukan 640 keping jubin sahaja. Enough because the teacher\ room only needs 640 pieces of tiles. t7 (a) \iatlRange=657 - 452 \iatlRange=655-453 = 205 MirtlMean x_ 10841 20 =202 MitlMean n- 10 738 20 = 542.05 = s36.90 Sisihan piawai Sisihan piawai Standard deviation Standard deviation 5 956 t29 20 @ Global Medinstreet Sdn. Bhd. (762284-U) J8 OO0 cm3.