Modul Pintas Tingkatan 5 Peperiksaan Percubaan SPM 2018 ...Set...Skema Jawapan Matematik Tambahan...
Transcript of Modul Pintas Tingkatan 5 Peperiksaan Percubaan SPM 2018 ...Set...Skema Jawapan Matematik Tambahan...
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Modul Pintas Tingkatan 5Peperiksaan Percubaan SPM 2018
Skema Jawapan Matematik Tambahan Kertas 2 3472/2
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1
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1
2
22
2 2
4 8 48 4 135
1212 2
2
124 135 4 12 2 12 2 135
2
24 135 0 4 9 0
3( 15)( 9) 0
2
Length and breadth: 9 , (15 ( )
3Height :
2
x y or xy x
xx y OR y
xx x OR y y y
x x OR y
x x OR y
x ignore
y
P1
P1
K1
K1
N1
N1 6 6
2
2 2
2
18( ) 6, 18 , 3 3 ,
2
18 183
2 2
9
a or seen
or
cm
P1
N1
N1 3
6
2( ) 24, 4 18, 12 24
2
24
21
2
81.94
b OR a and r
S
P1
K1
N1 3
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2
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3
2 2 2 2 2
2
75 70 59 62 6866.8
5
75 70 59 62 6866.8 5.706
5
Syafiqah result is more consistent
a
P1
K1N1
N1 4
6
334( ) 67.5
6
71
xb
x
K1
N1
2
4
2
2
2
2
2 2
2 2
sin1
sin1
sin
sin
1
2
sec2
x
cos x
x
cos x
cos x x
cos x x
cos x
x
a
K1
N1 2
8
(b)
3
( )5
xc y or implied
Sketch the straight line, correct gradient or y intercept
3 solutions
N1
K1
N1 3
y
1
-1
x
Shape of positive cos graph P1
1 ½ cycles P1
Maximum 1, minimum -1 P1
Use identity :
tan2x=sin2 x/cos2x
atau cos2x+ sin2x = 1
atau cos2x- sin2x = cos2x
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3
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5
3 2 1( )( ) 2 3 2 3
2 3
2 3 3 2
0
m na i m n i m n i i j OR
m n
m n and m n
m n or equivalent
(ii) 2m - n = 0
K1
N1
N1 3
7
( )( ) 2(2 3 ) 3(3 )
(13, 9)
b i OP i j i j
P
( ) ( 13 9 ) ( 2 )
12 11
112 11
265
ii PQ i j i j
i j
Vektor unit i j
K1
N1
K1
N1 4
6
2( ) 3 2 1
11
6 11 2
11 16
dya
dx
y x
y x
K1
K1
N1 3
7
2( ) 3 1 11
2,2
( 2, 6)
b x
x
Q
K1
K1
N1 3
(c) Rectangle @ Segi empat tepat P1 1
7 (a) AOB = 6.5/5
= 1.3 rad.
POQ = 0.8667 rad.
K1
N1
N1 3
(b) MN = 5 sin(0.8667 rad.) = 3.811 cm
or ON = 5 cos( 0.8667 rad.) = 3.2367 cm
Length of arc PQ = 6 0.8667 = 5.2002
Perimeter = 1+*MN+ *NQ+*QP
= 12.77 cm
K1
K1
K1
N1 4
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(c ) Area of sector OPQ = ½ 62 0.8667
OR Area of triangle OMN=½ (3.811)(3.2367)
Area of shaded region = *15.60 *½ (3.811)(3.2367)
= 9.432
K1
K1
N1 3 10
8
1( )( ) 2 2(1) 2,
2
11 5
2
2 3
dx dya i y
dy dx
y x
y x
K1
K1
N1 3
10
3
13
43
4
:)(
1
0
31
0
21
y
ydyyA
CurvetheUnderAreaii
1
22
0
Area of trapezium:
13 1 3 5 4
2A y y or
1 2
Area of the shaded region:
1
3
A A
6
4
62
4
) 4
6 44 4(6) 4(4)
2 2 2
2
b Volume x dx
xx
K1
K1
K1
N1
K1 K1
N1
4
3
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5
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9 (a) p = 0.85, q = 0.15
𝑃(𝑥 ≥ 6) = 𝑃(𝑟 = 6,7,8)
8C6 (0.85)6(0.15)2 or 8C7 (0.85)
7(0.15)1 or 8C8 (0.85)8(0.15)0
= 8C6 (0.85)6(0.15)2 + 8C7 (0.85)
7(0.15)1 + 8C8 (0.85)8(0.15)0
= 0.8948
P1
K1
K1
N1 4
10
(𝑏)(𝑖) 𝑃(35 < 𝑋 < 66) = 𝑃 (35 − 48
6< 𝑍 <
66 − 48
6)
= 𝑃(−2.167 < 𝑍 < 3)
= 1 − 𝑃(𝑍 > 2.167) − 𝑃(𝑍 > 3)
= 1 − 0.01512 − 0.00135
= 0.9835
Number of students between 35 to 66 marks = 0.9835 × 180
= 177 students
(ii) 𝑃(𝑥 < 𝑚) = 0.05
𝑃 (𝑍 <𝑚 − 48
6) = 0.05
1.645 𝑠𝑒𝑒𝑛
𝑚 − 48
6= −1.645
𝑚 = 38.13
K1
N1
N1
P1
K1
N1
3
3
10 (a) All values of (x+2) and log10y correct.
x + 2 1 2 3 4 5 6
log 10 y 0.92 1.00 1.08 1.12 1.24 1.32
Refer graph paper
Plot log10 y against (x+2) with correct axes, uniform scales and
N1
K1
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6
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at least one point.
6 points plotted correctly
Line of best fit
N1
N1 4
10
b) (i) 14.45
10 10 10
10
10
10
10
( ) log log 2 log
log
log 0.84
0.1445
log
log 0.08
1.202
ii y p x q
Use q c
q
q
Use p m
p
p
N1
P1
K1
N1
K1
N1 6
11
1( ) , 2
2
2 2 8
2 18
BC AXa m m
y x
y x
P1
K1
N1 3
10
(b) Solve simultaneously : y = -2x +18 and 2y = x + 10
X = (5.2, 7.6)
4(2) 4(6)5.2 7.6
5 5
x yor
C (18 , 14)
K1
N1
K1
N1
4
2
1( ) 8(6) 2(14) 18(2) 2(2) 18(6) 8(14)
2
2 *
112
c Area of ABC
Area of trapezium Area of ABC
unit
K1
K1
N1 3
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12 20( ) 100
8
250
a x
K1
N1
2
10
110( ) 80(2 ) *250(3) 150(2)( ) 120
2 3 2
5
y yb
y y
y
K1 K1
N1
3
110 80( ) : 110 110
100 100
121 88
121*(5) 88*(10) 250(3) 150(2)
121*(5) 88*(10) 250(3) 150(2)
*5 *10 3 2
126.75
c Seen A or B
I
K1
K1
K1
K1
N1
5
13
(a)(i)
(a)(ii)
2
3 2
3 2
( ) 3, 0 27 6 0
3 2
0, 0, 0
3, 1 1 27 9
Solve simultaneously: 27 6 0, 27 9 1
2 1,
27 3
a t v k h
s kt ht dt
kt ht c
t s c s kt ht
t s k h
k h k h
k h
K1
K1
K1
K1
N1
5
22 2( )9 3
4 20
9 3
3
2
b v t t
dva t
dt
t s
K1
N1
2
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1,3
0,5.40
4,6
3
1
27
2)( 23
st
standt
st
ttsb
S = 1+1+4= 6m
P1:
Shape
K1:
Points:
(6,4),
(3,-1),
(0,0)
N1
3
10
14 2 2 2( ) 7 5 6 2(5)(6)
78.46 / /78 28'o o
a kos BAE
BAE
K1
N1
2
\
10
sin sin*78.46( )
8 10
51.61 / / 51 37 '
49.93 / /49 56'
o o
o o
ACDb
ACD
ADC
K1
N1
N1
3
2 2 2( ) 10 8 2(10)(8) * 49.93
10
sin* 49.95 sin*78.46
8
sin* 49.93 sin* 51.61
7.81
o
o o
o o
c AC kos
ACor
ACor
K1
N1
2
1
2
1 2
1( ) 8 10 Sin*49.93
2
16 5 Sin*78.46
2
* *
15.91
o
o
d A Luas ACD
atau A Luas ABE
A A
K1
K1
N1
3
15 (a) (I) 70x y
(II) 2x y
(III) 1
252
x y
NI
N1
N1
3
s
t 6 3 -1
4
0
-
9
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(b) Refer to graph paper
One *straight line drawn correctly
All * straight line drawn correctly
Correct region
K1
N1
N1
3
10
(c) (i) Maximum (40,30)
K = 2.50x + 1.80y
Maximum cost = RM 154
( ) 15 40ii y 10log p m
N1
K1
N1
N1
4
-
10
10 (b)
-
11
10 20 30 40 50 60 70
10
0
20
30
40
50
60
70
80
y
80
x
R
(b) Satu *garis lurus dilukis betul K1
Semua *garis lurus dilukis betul N1
Rantau R betul N1
15 (b)