Worksheet 28: Revision Term 3 Grade 9 Mathematics - Maths At Sharp
[Pages:5]Worksheet 28: Revision Term 3 Grade 9 Mathematics
1. For the following functions:
i)
State the rule in words.
ii) Write out an equation for the pattern.
iii) And find the missing values in the table.
a)
1
2
3
4
1
4
9
b)
m
0
1
2
7
n
-5
-1
3
c)
s
1
2
3
4
t
54
36
24
7
100
225
9
51
87
6
2. Simplify the following expressions:
a) (
)( ) (
) b)
c) ( )
e) ( )
d) (
)(
) (
)
f)
(
)(
)
g)
h)
(
) (
)(
)
i)
(
)
j)
(
)
(
)
3. Factorize the following expressions completely
a)
b)
c)
d)
e)
f)
g)
h)
i)
j)
4. Find the value for each of these expressions by substituting in the given values: a) b)
c)
d)
(
)
e)
and
5. Given the expression:
a) How many terms are in the above polynomial?
b) What is the degree of the expression?
c) What is the coefficient of ?
d) What is the constant term?
e) If
find the value of the above expression.
6. Solve for :
a)
b)
c)
d)
e)
f)
g)
h)
i)
j)
7. Say whether the following graphs are
i)
linear or non-linear
ii) increasing, decreasing or constant
a)
b)
c)
d)
e)
f)
8. For each of the following graphs
i)
Give the gradient and the y-intercept
ii) Find the -intercept
iii) Sketch the graph on a new set of axes.
a)
b)
c)
d)
e)
f)
g)
h)
i)
j)
9. Find the equations for the following graphs:
a)
b)
c)
d)
e)
f)
10. Find the surface area and volume for each of these 3D objects.
a)
b) all sides = 28mm
r = 5cm
h = 15cm
c)
8m
d)
12m
52mm
3,5m
e)
all sides = 82cm
f)
56mm
42mm
50mm
44mm
g)
h)
90cm
60m
50cm
10 m
45mm 30cm
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