2012 edexcel higher a paper 1
TRANSCRIPT
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Instructions and Information
Write your name in the box at the top of the page.
Answer all the questions in the spaces provided. The total mark for this paper is 100.
The marks for each question are shown in brackets. Calculators must not be used.
uestions labelled with an asterisk !*" are ones where thequality of your written communication will be assessed.
Advice
#ead each question carefully before you start to answer it.
$eep an eye on the time. Try to answer every question.
%heck your answers if you have time at the end.
Written by &haun Armstrong
'nly to be copied for use in the purchaser(s school or college
)01) *+A ,aper 1 ,age 1 - %hurchill aths /imited Turn over
ame %lass
MathematicsPaper 1A (Non-Calculator)
i!her "ier
"ime # 1 hour $% minutes
&or 'decel C'
+ou must have#
#uler protractor compasses pen pencil eraser.
Total arks
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GCSE Mathematics
Formulae: Higher Tier
You must not write on this formulae page.
Volume of prism= area of cross section length Area of trapezium=1
2(a+ b)h
Volume of sphere=4
3r3 Volume of cone=
1
3r2h
Surface area of sphere= 4r2 Curved surface area of cone= rl
In an triangle ABC !he "uadratic E#uation
The solutions of ax2+ bx+ c= 0here a! 0" are gi#en $%
x=
bb24 ac 2 a
Sine $ulea
sin A=
b
sinB=
c
sin C
Cosine $ule a2= b2+ c2& 2bccos A
Area of triangle=
1
2 absin C
)01) *+A ,aper 1 ,age ) - %hurchill aths /imited
sectioncross
length b
h
a
r
l h
r
c B
C
A
b a
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Answer A%% #uestions.
&rite our answers in the spaces provided.
You must write down all stages in our wor'ing.
( This con#ersion gra'h can $e use to change $eteen egrees fahrenheit (F) anegrees celsius (*)
(a) ,se the gra'h to change 140 F into egrees celsius)(*
----------- *
($) ,se the gra'h to change .0 * into egrees fahrenheit)(*
----------- F
(c) /ater freees at 0 *t hat tem'erature oes ater freee in egrees fahrenheit
)(*
----------- F
)!otal for "uestion ( is + mar's*
)01) *+A ,aper 1 ,age 2 - %hurchill aths /imited Turn over
40 120.0 10
*
&20
0
40
20
0
.0
F
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, (a) im'lif% 2p& q+ 3p+ 4q),*
------------
($) im'lif% m56 m2
)(*
------------
)!otal for "uestion , is + mar's*
+ Holl% is carr%ing out a sur#e% a$out health% eating
This is one of the 7uestions
Ho man% 'ieces of fruit i %ou eat %estera%
Tic8 one $o9
1 to 2 3 to 4 4 or more
(a) /rite on to criticisms of the response sectionfor this 7uestion),*
First criticism -----------------------------
-----------------------------------
econ criticism ----------------------------
-----------------------------------
Holl% carries out her sur#e% $% as8ing her 7uestions of se#eral grou's of 'eo'lefter as8ing each 7uestion" she goes roun the grou' an recors each 'ersons anser
($) ;i#e one reason h% this is nota goo sur#e% metho)(*
-----------------------------------
-----------------------------------
)!otal for "uestion + is + mar's*
)01) *+A ,aper 1 ,age 3 - %hurchill aths /imited
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- ,se a ruler an 'air of com'asses to construct the $isector of this angle
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0 Here are some 'atterns mae ith ots
?attern 1 ?attern 2 ?attern 3
/or8 out ho man% ots there ill $e in ?attern 0
ho ho %ou o$taine %our anser
------------
)!otal for "uestion 0 is - mar's*
)01) *+A ,aper 1 ,age 5 - %hurchill aths /imited
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1 The ta$le shos the 'ro$a$ilit% of a 'erson $eing right@hane" left@hane oram$ie9trous
Aight@hane
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3
(a) En the gri" ra the line y= 2x& 3)+*
($) Fin the e7uation of the line that 'asses through the 'oint (4" 0) an is 'arallel tothe line y= 2x& 3
),*
------------
)!otal for "uestion 3 is / mar's*
)01) *+A ,aper 1 ,age 7 - %hurchill aths /imited
1
2
4
3
y
1 2 x&1
&4
&2
&3
&1
O 3 4
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(4 T= (n& m)
(a) Fin the #alue of Then m= &3 an n= 4),*
------------
($) Aearrange the formula to ma8e nthe su$Gect),*
------------
)!otal for "uestion (4 is - mar's*
(( >n a game" to 'la%ers ta8e it in turns to roll to orinar% iceThe ice are fair an num$ere from 1 to
>f" on one turn" the num$er on one of the ice is tice the num$er on the other ice" the'la%er recei#es a $onana car
>n one game" each 'la%er ha 42 turns $efore the game ene/or8 out an estimate for the num$er of $onana cars each 'la%er recei#e in the game
------------
)!otal for "uestion (( is - mar's*
)01) *+A ,aper 1 ,age 8 - %hurchill aths /imited Turn over
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(,
Triangle Ais shon on the gri
(a) Translate triangle Ausing the #ector
1
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(+ (a) /rite 3 as a 'rouct of its 'rime factors),*
------------
Hisham an Iarlon are com'aring ho far the% ste' hen al8ingHishams ste' is 3 cm in length" from the heel of one foot to the heel of the other foot
Hisham an Iarlon start al8ing ith their left heels e9actl% in linefter al8ing 3 metres" one of Hishams heels is e9actl% in line ith one of Iarlonsheels
J ($) The length of Iarlons ste' is an e9act num$er of centimetres $eteen 40 an .0
Fin all the 'ossi$le lengths of Iarlons ste')0*
------------
)!otal for "uestion (+ is 2 mar's*
)01) *+A ,aper 1 ,age 11 - %hurchill aths /imited Turn over
3 cm
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(- Kic8% is ma8ing a 'ath using 'a#ing stones>t is mae u' of octagonal an s7uare stones
The octagonal stones are mae from a s7uare $% remo#ing the four cornersThe imensions are shon $elo
The sie of the s7uare stones is such that the% tesselate ith the octagonal stones
Liagram 67!accuratel% ran
(a) /or8 out the area of this section of 'ath
Liagram 67!accuratel% ran
)/*
----------- cm2
)01) *+A ,aper 1 ,age 1) - %hurchill aths /imited
10 cm
10 cm
20 cm
20 cm
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Kic8% ecies that the ith of the 'ath is to $e three octagonal stoneshe is not sure ho long the 'ath ill $e $ut there ill $e no s7uare stones on theeges
($) Fin an e9'ression" in terms of nfor the num$er of s7uare stones in the 'ath henit has noctagonal stones
ho ho %ou fin %our anser)+*
------------
)!otal for "uestion (- is 2 mar's*
)01) *+A ,aper 1 ,age 12 - %hurchill aths /imited Turn over
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(/
Liagram 67!accuratel% ran
The 'oints A" B" C" Dan Elie on the circumference of a circle as shonACis 'arallel to ED
(a) (i) /or8 out the sie of angle a)(*
-----------
(ii) ;i#e a reason for %our anser)(*
---------------------------------
---------------------------------
($) /or8 out the sie of angle b)+*
-----------
)!otal for "uestion (/ is / mar's*
)01) *+A ,aper 1 ,age 13 - %hurchill aths /imited
D
C
A
E
a
B120
b
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(0 (a) Factorise a2& a+ .),*
------------
($) ol#e 2y2+ 5y& 2 = (y+ 2)(y+ ))+*
------------
)!otal for "uestion (0 is / mar's*
(1 Fin the #alue of
(a)4
1
2
)(*
------------
($) 1
2 2
3
),*
------------
)!otal for "uestion (1 is + mar's*
)01) *+A ,aper 1 ,age 14 - %hurchill aths /imited Turn over
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(2 Aesients ho li#e on tratton #enue com'lain of cars ri#ing too fast on their roa>n a stu%" the s'ee of 100 cars is recore an the results are shon in this cumulati#efre7uenc% iagram
The s'ee limit on tratton #enue is 30 miles 'er hour
(a) /hat 'ercentage of the cars in the stu% ere $rea8ing the s'ee limit)(*
----------- M
($) ,se the gra'h to estimate the meian s'ee of the cars in the stu%)(*
---------- m'h
(c) ,se the gra'h to estimate the inter7uartile range of the s'ee of the cars in thestu%
),*
---------- m'h
Folloing the stu%" s'ee cameras are 'ut u' on tratton #enue
secon stu% recors the s'ee of 100 cars one month laterThe results are summarise in the ta$le on the ne9t 'age
)01) *+A ,aper 1 ,age 15 - %hurchill aths /imited
'ee (miles 'er hour)
0 10 3020 40 0
*umulati#e
fre7uenc%
0
20
0
40
.0
100
0
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'ee (vmiles 'er hour) Fre7uenc%
0 B vC 10 4
10 B vC 20 1
20 B vC 30 3
30 B vC 40 2.
40 B vC 0 1
0 B vC 0 2
J() ,se the ata an the gri $elo to fin out if the s'ee cameras ha#e ha aneffect
*omment on %our finings)0*
-----------------------------------
-----------------------------------
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)!otal for "uestion (2 is (4 mar's*
)01) *+A ,aper 1 ,age 16 - %hurchill aths /imited Turn over
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(3
The gra'h of y= f(x) intersects the x@a9is at (." 0) an the y@a9is at (0" )
(a) /rite on the coorinates of the 'oint here each of these gra'hs intersectsthe y@a9is
(i) y= f(x) + 1)(*
(---" ---)
(ii) y= 2f(x))(*
(---" ---)
(iii) y= f(3x))(*
(---" ---)
($) /rite on the coorinates of the 'oint here each of these gra'hs intersectsthe x@a9is
(i) y= f(x+ ))(*
(---" ---)
(ii) y= f(2x))(*
(---" ---)
(iii) y= f(&x))(*
(---" ---)
)!otal for "uestion (3 is 0 mar's*
)01) *+A ,aper 1 ,age 17 - %hurchill aths /imited
x
y
(." 0)
(0" )y= f(x)
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,4
Liagram 67!accuratel% ran
n ornament is in the sha'e of a tetraheronach face is an e7uilateral triangle of sie 4 cm
(a) ho that the surface area of the ornament is 13 cm2)/*
larger #ersion of the ornament is similar in sha'e an has sies of length 12 cm
($) Fin the e9act surface area of the larger ornament),*
----------- cm3
)!otal for "uestion ,4 is 1 mar's*
)01) *+A ,aper 1 ,age 18 - %hurchill aths /imited Turn over
4 cm
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,(
Liagram 67!accuratel% ran
The iagram shos triangle OCF
OA = a"OC= 3a"OB = 28anOF9 +8
(a) 9'ressCFin terms of aan 8
)(*
------------
;i#en that CD=1
3CFan that CE=
CF"
($) use #ectors to 'ro#e thatADan BEare 'arallel)/*
)!otal for "uestion ,( is 0 mar's*
!7!A% :7$ ;A;E$ IS (44 MA$