Y = 2x + 1 y = -x - 1
[Pages:7]Ratios, rates and the number plane
Teacher Book - Series I-2
y = 2x + 1 y = -x - 1
Mathletics Instant
Workbooks
Copyright ?
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Instructions This part consists of 12 multiple-choice questions
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1 1 WhWehneantaantakniks i25s f25ulflutlhl etrheeries 1is2102000L0iLn iint.iTt.heThteottaoltaclapcacpiatcyitoyf othf ethteantakniks is
MaMMrakarsrkkss
A A 4840800L0 L
B B6860800L0 L
C C 18108000L0 L
D D 30300000L0 L
11
2 2 If I$f3$03i0s disivdiidveideidn itnhethreatriaoti3o:32,: 2th, ethsemsamllaelrlearmaomuonut nist is
A A $1$010
B B$1$212
C C $1$818
D D $2$020
11
3 3 TheThreatriaotioof o9f g9ragmrasmtso t4o k4ilkoigloragmrasmis is
A A 9 :94: 4
B B3 :32: 2
C C 9 :940: 4000
D D 9 :940: 40000
11
4 4 A cAarcatratvrealvse2ls42k4mkmbetbwetewenee9n:390:3a0.ma.ma.ndan1d01:105:1a5.ma.mW.hWaht aist itssitasvearvaegreagsepesepdeeidn iknmk/mh?/h?
A A 181k8mk/mh/h
B B303k0mk/mh/h
C C 323k2mk/mh/h
D D 363k6mk/mh/h
11
5 5 OreOries risemreomveodvefdrofmroma maimneinaet atthethreatreatoef o2f7207t0ontonnens epserpehrohuor.uEr.xpErxepsrsestshitshins ikng/ksg./s.
A A 7.57.k5g/ksg/s
B B757k5g/ksg/s
C C 45405k0g/ksg/s
D D 4540500k0g/ksg/s
11
6 6 If I5f:53:=3 x=: x1:t1hethnexnexqueaqlusals
33
55
AA 5 5
BB 33
CC2 2
D D3 3
11
7 7 AnAanmaomuonut nist disivdiidveideidn itnhethreatriaoti2o:23.: 3If. Ithf ethsemsamllaelrleprarptairst $is3$03, 0th, ethoeriogriingailnalmaomuonut nwtaws as
A A $4$545
B B$5$050
C C $7$575
D D $7$878
11
8 8 If Iyfouyoduivdiidveid$e6$56i5n itnhethreatriaoti6o:67,: 7w,hwaht aist tishethsemsamllaelrleprarpta?rt?
A A $1$313
B B$2$626
C C $3$030
D D $3$535
11
9 9 InItnratvrealvleinllgin1g0100k0mkma caarcaurseusse2s02L0oLf opfetpreotlr.oAl.tAtthitshrisatrea,teh,ohwomwamnyanlyitrleitsreosf opfetpreotlroalreare
neendeedetdo ttoratvrealve1l k1mk?m?
A A 0.002.0L2 L
B B0.20.L2 L
C C 0.50.L5 L
D D 5 L5 L
11
1010 GivGeinvetnhatht a5t:54:=4 m= :m1:t1hetnhemn mequeaqlusals
44 AA 5 5
55 BB
44
C C 1 11 1
D D nonoenoef othf etsheese
11
55
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ii Ratios, rates EaXnCEdEXLCtEhESLSeEENSnSTuIEANmLTSIbAKLIeLSLrSK:pILYLlEaSA:nYReE8AMR A8TMHEAMTHAETMICASTIRCESVRISEIOVINSIOANDAENXDAEMXAWMOWRKOBROKOBKO2O?K E2X?TEENXSTEIONNSION
Mathletics Instant Workbooks ? Series I 2 Copyright ? 3P Learning
Ratios, rates and the number plane
Topic Test
PART A continued
RRaattioio,, rraatteess aanndd tthhee nnuummbbeerr pplalannee
1111 AArerecicpipeerereqquuirieressmmggrarammssoof fflfolouur rfofor rnnppeeoopplel.e.HHoowwmmaannyyggrarammssaarerenneeeddeeddfofor roonneeppeersrosonn??
AA mm??nn
BB nn??mm
CC
nn mm
DD
mm nn
Marks MMaarkrkss
11
1122 $$11220000isisddiviivdideeddininththeeraratitoio22: 3: 3. .ThTheelalargrgeer raammoouunnttisis
AA $$8844000
BB $$770000
CC $$7722000
DD $$4488000
11
1133 WWhheenn$$22200isisddiviivdideeddininththeeraratitoio55: 6: 6, ,ththeesmsmaallleler raammoouunnttisis
AA $$114400
BB $$112200
CC $$9900
DD $$11000
11
1144 ThTheeraratitoiooof f33.5.5kgkgtoto5566kgkgisis
AA 88: 1: 1
BB 11: 1: 166
CC 1166: 1: 1
DD 2288: 3: 3
11
1155 yy==33xx++22; ;fifninddyywwhheennxx==44
AA 1122
BB 1144
CC 1100
DD 2200
11
TToottaal lmmaarrkkssaacchhieievveeddfoforrPPAARRTTAA Total marks achieved for PART A
1155
15
Ratios, rates and the number plane
iii
Mathletics Instant Workbooks ? Series I Copyright ? 3P Learning
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Instructions This part consists of 15 questions IInnssttrruuccttiioonnss ?? TThhisisppaarrttccoonnssisisttssooff1155qquueessttioionnss
??EEaEacahcchqhuqqeusueteisostntioiiosnnwisiosrwtwhoo1rrtmthha1r1kmmaarrkk ??WWWrirterititeaenasanwnseswrwseeirnrssthinientathnhesew`A`eAnrnss-swowneelryrsscooolnunlmyly'n'ccoolulummnn
Time allowed: 20 minutes
Total marks = 15
TTiimmeeaalllloowweedd::1155mmQiinuneuusttteieossns
QQuueessttioionnss
TTootAtaanllsmwmeaarrsrkkossn=l=y 1155 Marks
AAnnsswweerrssoonnlyly
MMaarrkkss
EExxppreresssstthheefofollolowwininggaassrarattioiossininssimimpplelessttfoformrm..
11 $$1122: :$$1155
______________________________________ 11
22 2200mmininuutteess: :22hhoouursrs
______________________________________ 11
33 110000kkgg: :335500kkgg
______________________________________ 11
44 $$112255isisddivividideeddinintthheerarattioio1122: :1133..WWhhaattisistthheelalargrgeerrppaartrt??
______________________________________ 11
55 AAccaarrisisttraravveellilninggaatt4455kkmm//hh..HHoowwmmaannyymmeettreressddooeessititttraravveell
inin44sseeccoonnddss??
______________________________________ 11
66 EExxppreressss00.0.088: :00.3.322ininititssssimimpplelessttfoformrm..
______________________________________ 11
77 WWrirtitee 3333 :: 22 11 ininititssssimimpplelessttfoformrm..
55 1100
88 CChhaannggee112200kkmm//hhttoomm//ss 99 HHoowwmmuucchhttimimeewwilillititttaakkeettoottraravveell11220000kkmmaatt9900kkmm//hh?? 1100DDivivididee664400mminintthheerarattioio22: :33 1111 33bbooookkssaarerebboouugghhttfoforr$$2233.4.400..HHoowwmmuucchhwwoouuldld77bbooookkssccoosstt?? 1122 EExxppreressss33pp222: :66ppqqininititssssimimpplelessttfoformrm.. 1133 IIffxx: :33==88: :55,,wwhhaattddooeessxxeeqquuaal?l?
______________________________________ 11 ______________________________________ 11 ______________________________________ 11 ______________________________________ 11 ______________________________________ 11 ______________________________________ 11 ______________________________________ 11
1144 AA3300liltitrereccoonnttaainineerrfufull looffwwaatteerrisisleleaakkininggaattaararatteeooff110000mmLLppeerr
hhoouur.r.HHoowwmmuucchhwwilillbbeeleleftftinintthheeccoonnttaainineerraaftfteerr33ddaayyss??
______________________________________ 11
1155 TThheetthhrereeeaanngglelessooffaattriraiannggleleaarereinintthheerarattioio22: :33: :44..FFininddtthheessizizee
oofftthheessmmaallelessttaanngglele..
______________________________________ 11
6622
TToottaallmmaarrkkssaacchhiieevveeddffoorrPPAARRTTBB
1155
Total marks achieved for PART B
15
EEXEXXCCCEELELLEESESSSESENENNTTIITAAIALLLSSKSKKIILLILLSSL:S: Y:YYEEAEAARRR888MMMAAATTHHTHEEMEMMAAATTIITCCICSSSRRREEVEVVIISSIISIOOIONNNAAANNNDDDEEXEXXAAAMMMWWWOOORRRKKKBBOBOOOOOKKK222???EEXEXXTTEETNENNSSISIOOIONNN
Ratios, rates and the number plane
iv
Mathletics Instant Workbooks ? Series I 2 Copyright ? 3P Learning
Ratios, rates and the number plane
TRoapticioT,ersattes and the number plane
TOPIC TEST Instructions This part consists of 4 questions
Each question is worth 5 marks
Instructions
? ?
ShTEohawcishaplqlanureetcscetosiosnnasriysistswoofrt4hq5uemsatiroknss
Time allowed: 2?0 mShinowutaelsl necessary working
PART C PART C
Total marks = 20
Time allowed: 20 mQiuneustteiosns
Marks
Total marks = 20
Marks
1 a Simplify the ratio 80 g : 2 kg __________________________________________________
b There are 70 girls at a party. If the ratio of boys to girls is 7 : 5, how many boys are at the party? _______________________________________________
c $75 is divided in the ratio 3 : 2. Find the smaller part. _____________________________
5
d A car travels at an average speed of 75 km/h, how long will it take to cover 350 km?
__________________________________________________________________________
e If John earns $86.50 for 25 hours, how much will he earn for 40 hours? __________________________________________________________________________
2
a
If 2 = x find x 5 25
___________________________________________________________
b Simplify the ratio 12 : 156 ____________________________________________________
c Two lengths of timber are in the ratio 4 : 7. If the longer length is 154 cm,
find the shorter length. ______________________________________________________
5
d If a car travels 60 km in 3 hours, find the average speed. ___________________________
e Change 10 m/s into km/min __________________________________________________
3 Complete the tables below.
y
44
a x+ y =2
b 2x - y = 1
33
x -1 0 1 2
x -1 0 1 2
22 11
y
y
?x ??44 ??33 ??22 ??11 00 11 22 33 44 x
??11
c Draw the graph of each line from parts a and b on the number plane.
??22 ??33
5
d Find the point of intersection. _________________
??44
?y
4 Plot and label the following coordinates on the number plane.
a A(?1, 2) B(2, 2) C(5, ?3) D(?3, ?3) b Join the points together A B C D A c Name the shape. _________________________ d What is the ratio of the lengths of the parallel sides?
___________________________________________
y
66 55 44 33 22 11
?x ??66 ??55 ??44 ??33 ??22 ????1111 00 11 22 33 44 55 66 x
??22
??33
??44
??55 ??66
5
?y
Total marks achieved for PART C Total marks achieved for PART C
CChhaapptteerr 55:: RRaattiioo,, rraatteess aanndd tthhee nnuummbbeerr ppllaannee
Ratios, rates and the number plane Mathletics Instant Workbooks ? Series I Copyright ? 3P Learning
20 20
6v3
12 4x + 1 13 7x + 10 14 8x cm 15 3x + 5y + 2
PAGES 47 & 48 1 A 2 D 3 A 4 D 5 B 6 D 7 A 8 C 9 D 10 D 11 B 12 D 13 B 14 C 15 C
PAGE 49 1 ?2y 2 6a3 3 7(x + 2y) 4 x = 44
5 6x2 ? 15xy 6 5 7 6x
5a 8 9a4b2 9 7x 10 24m3 11
4x +5 12
9
4
13 3 14 8 15 7a + 8b ? 12
Anunmswbeerrs p?laRanetios, rates and the PAGE 50 1 a 48 b ?40 c 160 d ?36
4 e ?16 2 a 3a b a + 15 c ?15a ? 24b d a
31x e 35 3 a 6x ? 15 b x
3ab c 8 ? x d ?3x + 6y e ?4a ? 14b 4 a x(3 ? x) b 3pq(p + 4q) c x = 3 d 5p3q6 e
10
PAGE 151 1 a 1:2 b 1:3 c 1:3 d 1:6 e 1:7 f 1:12 g 1:9 h 1:8 i 1:9 j 1:4 k 1:5 l 1:9 2 a 5:13 b 1:3
c 1:3 d 2:19 e 1:13 f 2:21 g 2:9 h 1:13 i 3:14 j 2:11 k 2:15 l 4:9 3 a 1:3:5 b 3:1 c 9:16 d 3:4 e 1:5
f 5:1 g 1:3 h 5:7 i 6:13 j 5:6 k 12:1 l 1:5 4 a 4:21 b 4:15 c 1:6 d 2:5 e 3:4 f 1:7 g 8:25 h 2:3 i 5:2
j 4:5 k 10:1 l 5:4 5 a 6:25 b 1:15 c 5:18 d 3:1 e 7:18 f 8:1 g 5:7 h 7:8
PAGE 522 1 a 20 kg, 160 kg b $10, $35 c $168, $672 d $300 e $800 2 a 25 cm b 15 c 40? , 60? , 80? d 16:25
e 9 3 a 28 m b $36, $60 c 3:10 d $1200, $1600, $2000
PAGE 353
1 a 80 km/h
b $20
c
5
1 3
L / min
d $7.95
2 a 1 b 960 c 3600 d $300
e 1800 f 0.6?
3 a 80 km/h b 108 km c 48.6 L 4 a 2.5 km/min b 0.027 km / s c 136 5 a 168.75 km/h b 2.58 m/y c 37
PAGE 454 1 a 1:1500 b 1:200 c 1:30 000 d 1:5000 e 3:500 f 1:40 g 1:30 000 h 3:10 i 1:8000 2 a 1 m
b 4 m c 6 m d 50 cm e 70 cm f 2 km g 60 cm h 80 cm i 1.5 km 3 a 4 m b 100 m c 8 km d 75 m e 9.3 km
f 23.45 km g 9 m h 15.2 km i 48.25 km 4 a 6 cm b 7 cm c 13.8 cm d 0.5 cm e 50 cm f 39.65 cm
5 a 4.8 m ? 5.6 m b 0.58 m
y
PAGE 555 1 a
5 4
b yes c see diagram d y = x + 1 2 a y = 2x + 1
b (?1, ?1),
3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
x -1 0 1 2 2 y -1 1 3 5 5
?2
?3
?4
?5
?y
y
5
4
(0, 1), (1, 3), (2, 5) c
3 2
1 ?x
?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
Answers
?2 ?3 ?4
?5
?y
d yes
x
y
5 4
B
3
3 a
?x
2
A1
C
?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
b
x
right-angled triangle
c 3 units
d 4 units
?2
?3
?4
?5
?y
148 e 5 units f 12 units g 6 units2 4 a (0, 5), (1, 6), (2, 7), (E3X,CE8L)ESSbEN(T?IA1L,SK1IL)L,S:(Y0E,A3R)8,M(1AT,H5EM),A(TI2C,S 7RE)VIScIO(N?A1N,D?E5X)A,M(0W,O?R2K)B,O(O1K, 21?)E,X(T2EN, S4IO)N PAGE 656 1 a (?1, 1), (0, 2), (1, 3), (2, 4) b (?1, ?3), (0, ?1), (1, 1), (2, 3) c (?1, 3), (0, 1), (1, ?1), (2, ?3) 2 a (?1, ?1),
(?1, 0), (?1, 1), (?1, 2) b (?1, 2), (0, 2), (1, 2), (2, 2) c (?4, ?1), (?4, 0), (?4, 1), (?4, 2) 3 a (?1, ?2), (0, 0), (1, 2), (2, 4);
(?1, 2), (0, 0), (1, ?2), (2, ?4); the point of intersection is (0, 0) b (?1, 0), (0, 2), (1, 4), (2, 6); (?1, 1), (0, 2), (1, 3), (2, 4); the
point of intersection is (0, 2)
1a
y 5
1b
y 5
4
4
3
3
2
2
1
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?2
?3
?3
?4
?4
?5
?5
?y
?y
2c
y
3a
y
5
4
3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3
?4
?5
5
4
3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3
?4
?5
?y
?y
1c
y 5
4 3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3 ?4
?5
?y
3b
y
5
4 3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3 ?4
?5
?y
2a
y 5
4 3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3 ?4
?5
?y
2b
y
5
4
3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3
?4
?5
?y
PAGE 757 1 a (3, ?1), (3, 0), (3, 1), (3, 2); (?1, 1), (0, 1), (2, 1), (3, 1); the point of intersection is (3, 1) b (2, ?1), (2, 0),
(2, 1), (2, 2); (?1, ?1), (0, ?1), (1, ?1), (2, ?1); the point of intersection is (2, ?1) 2 a (?2, ?5), (?1, ?2), (0, 1), (1, 4); (?2, ?5),
(?1, ?3), (0, ?1), (1, 1); the point of intersection is (?2, ?5) b (?1, ?1), (0, 1), (1, 3), (2, 5); (?1, ?1), (0, ?2), (1, ?3), (2, ?4); the
point of intersection is (?1, ?1)
1a
y
1b
y
5
4
3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3
?4
?5
5
4
3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3
?4
?5
?y
?y
2a
y
5 4
3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2 ?3
?4 ?5
?y
2b
y
5
4
3
2
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2 ?3
?4 ?5
?y
PAGE 58 1 a (?3, 10), (?2, 5), (?1, 2), (0, 1), (1, 2), (2, 5), (3, 10) b (?2, ?8), (?1.5, ?3.375), (?1, ?1), (?0.5, ?0.125),
(0, 0), (0.5, 0.125), (1, 1), (1.5, 3.375), (2, 8) 2 a (8, ?3), (3, ?2), (0, ?1), (?1, 0), (0, 1), (3, 2), (8, 3) b (?3, 8), (?2, 3), (?1, 0), (0, ?1), (1, 0), (2, 3), (3, 8) Mathletics Instant Workbooks ? Series I 2 Copyright ? 3P Learning
1a
y
10
8
6
1b
y
10
8
6
2a
y
3
2
2b
y
8
7
6
5
(2, 1), (2, 2); (?1, ?1), (0, ?1), (1, ?1), (2, ?1); the point of intersection is (2, ?1) 2 a (?2, ?5), (?1, ?2), (0, 1), (1, 4); (?2, ?5),
(?1, ?3), (0, ?1), (1, 1); the point of intersection is (?2, ?5) b (?1, ?1), (0, 1), (1, 3), (2, 5); (?1, ?1), (0, ?2), (1, ?3), (2, ?4); the
point of intersection is (?1, ?1)
1a
y
1b
y
2a
y
2b
y
5
Ans432wers
?
5
R432 atios,
5
ra432tes
and
the 5 4 3 2
1
1
number plane ?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
?3
?4
?4
?4
?4
?5
?5
?5
?5
?y
?y
?y
?y
PAGE 858 1 a (?3, 10), (?2, 5), (?1, 2), (0, 1), (1, 2), (2, 5), (3, 10) b (?2, ?8), (?1.5, ?3.375), (?1, ?1), (?0.5, ?0.125),
(0, 0), (0.5, 0.125), (1, 1), (1.5, 3.375), (2, 8) 2 a (8, ?3), (3, ?2), (0, ?1), (?1, 0), (0, 1), (3, 2), (8, 3) b (?3, 8), (?2, 3),
(?1, 0), (0, ?1), (1, 0), (2, 3), (3, 8)
1a
y
10
8
6
4
2
?x ?5 ?4 ?3 ?2 ?1 0 1 2 3 4 5 x
?2 ?4 ?6 ?8 ?10
?y
1b
y
10
8
6
4
2
?x ?2 ?1
0 1
2x
?2
?4
?6
?8
?10
?y
2a y 3
2
1
?x ?4 ?3 ?2 ?1 0 1 2 3 4 5 6 7 8 x
?1
?2
?3
?y
2b
y
8
7
6
5
4
3
2
1
?x ?3 ?2 ?1 0 1 2 3 x
?1
?2
?3
?4
?y
PAGE 959 1 a 3: 4 b 4:7 2 a 4:5 b 5:4 3 80 km/h 4 $240, $320 5 a 4:9 b 3:8 6 120 km/h 7 30 cents
8 3:4 9 $4000 10 30? , 60? 11 25 kg/s
PAGES 1600 & 1611 1 D 2 B 3 D 4 C 5 B 6 B 7 C 8 C 9 B 10 B 11 D 12 C 13 D 14 B 15 B
PAGE 1622 1 4:5 2 1:6 3 2:7 4 $65
5 50 m 6 1:4 7 12:7
8
33
1 3
m/s
9 13 h 20 min 10 256 m, 384 m
11 $54.60 12 p:2q 13 4.8 14 22.8 L 15 40?
PAGE 1633 1 a 1:25 b 98 c $30 d 4 h 40 min e $138.40 2 a 10 b 1:13 c 88 cm d 20 km/h e 0.6 km/min
3 a (?1, 3), (0, 2), (1, 1), (2, 0) b (?1, ?3), (0, ?1), (1, 1), (2, 3) c see diagram d point of intersection is (1, 1) 4 a see
diagram b see diagram c trapezium d 3:8
3
y
4
3
2
1
?x ?4 ?3 ?2 ?1 0 1 2 3 4 x
?1 ?2 ?3 ?4
?y
4
y
5
4
A
3 2
B
1
?x ?5 ?4 ?3 ?2 ?1?1 0 1 2 3 4 5
x
?2
D
?3 ?4
C
?5
?y
Answers
149
Mathletics Instant Workbooks ? Series I 2 Copyright ? 3P Learning
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