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®
CSECMATHTUTOR.COM©
1. Number Operations a.
Round off to TWO DP i. ii.
73.18 .18 5.23 .23 9.3 9.34 24.33 .33 3.12 6.17
.68 1.2 2.68
b. Salary question i. ii. iii.
$600 0.90 230 $807 $600 0.90n 1000 n 445
$270 $270 1.50 1.50m
iv. Salaries are equal so we need to equate the salary expressions here, n = m
$600 0.90n $270 1.50n n 550 2. Algebra a. Factorization i. 1 4h
ii.
2
1 2h 1 2h
pq q2 3 p 3q
q 3 p q
b. Solve equations
3
i.
y 12 2 y 8
®
CSECMATHTUTOR.COM©
2 x 2 5 x 3 0 ii.
2 x 1 x 3 0 x
1 2
, x 3
3. a. Substitution/Formula i. F
F
mv u t mv u
t
mv mu Ft mu v
ii. Ft
m
b. 4. Construction and Transformation a. Construction – Left out b. Transformation
3 2 ( 1) 1) 1
9
®
CSECMATHTUTOR.COM© 5. Functions a.
f ( x ) i.
1 2
x 3; A1, 1, 2, 3
f (1) 2
1 2
f ( x) 2 ii.
1 x 3 2 2 x 2
iii. Ordered pairs are 1, 2 iv. If f ( x) 5 then
1 , 2, 2 2
1 x 3 5 and x 16 , 16 is not in A(1, 2, 3} so f ( x ) 5 2
b. Inequalities i.
ii.
3 x 1 11 x 4
2 3 x 1 1 x
iii. 6. Statistics a. Pie chart i. x 221
0
ii. Percentage for cricket
94 360
45 x 40 360 1 iii. If 40 students chose tennis then x 40 8 x 320 b. Unclosed frequency polygon i. Copy and complete # of matches # of goals
5 0
7 1
3
2
3 3
4 4
2
5
1 6
®
CSECMATHTUTOR.COM©
ii. Mode =1 iii. Median = 2 iv. Mean =
54 25
2.16
7. Measurement a. Circular disk i. Circumference of disk 2 21 2
ii. Area of disk 21
22 7
22 7
132mm
62 1350mm2
1cm3 1000mm3 1000 cm3 1000000 mm3 iii. Number of disks 1000000
1350 2
370
b. Scale drawing on the globe g lobe i.
40000km 160cm
250km / cm so 2 cm = 500 km
ii. Distance between Palmyra and Quintec 25 250 6250 km
8. Pattern and Investigation a. Draw the 4th b. Copy and complete i
ii
n c.
figure 4 . . . 21
Number of squares 9
Perimeter of figure 20
43
88
2n 1
4n 4
Relationship between squares and perimeter 2S 2 P
®
CSECMATHTUTOR.COM©
9. Functions Relations and graphs a.
Graph y
3x
1 x
i. Copy and complete x
0.1
0.2
0.5
1
1.5
2
2.2
2.5
y
10.3
5.6
3.5
4
5.2
6.5
7.1
7.9
ii. Draw the graph
b. Speed time graph i. Acceleration
25 20
1.25m / s 2
ii. Calculate the distance by finding the area of the trapezium
20
iii.
2 40
15 40 550m so the average speed is
2.5
16sec
550m 20 s
27.5m / s
®
CSECMATHTUTOR.COM©
10. Geometry and Trigonometry a.
Bearings
i. Bearing of B from F is 222
0
2
32 55 55 co cos103 BG 322 552 2 32 ii. Use the cosine rule BG
2
4840.83
BG 69.6km
55 sin A iii. Bearing of G from B first find angle A
SinA
69.6 Sin103 55sin103
69.6
0.77
A sin 1 0.77 50.4 0 Now add the 42 to get 092.4
0
b. Circle theorem i.
ABC 320 , triangle ABC is right angled
ii.
CMB 122 0 , AMBC is a cyclic quadrilateral
iii.
NCM 32 0
®
CSECMATHTUTOR.COM©
11. Matrices vectors and transformations a.
Matrices i.
2 1 2 7 a 2 0 3 4 b
1 1 0 2 1 ii. This is the inverse Matrix 2 2 0 1 1
iii. Transformation T followed by P so we need the product PT a.
Transformation Product
b. The image
0 1 2 1 2 0 1 2 2 0 2 1
2 0 1 2, 6 2 1 4
1, 4
b. Vectors i. AB and DC are parallel and AB is
ii.
1 3
DC
BC BA AD DC BC n 2m BL BC CL
iii.
BL
2n m 2
END OF SOLUTIONS This paper hasn’t been checked yet if, you find an error please let me know
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