Practice Questions to get a grade A (module 9 stuff).

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• Created on: 08-06-11 15:37
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Module 9 Practice Paper ­ no calculator

Make
d t
he
subj
ect
of
t
he
for
mul
a

S
=xd²

2

Usi
ng
indi
ces,
wri
te
392
as
a pr
oduct
of
pr
ime
fact
ors.

Si
mpl
if
y t
he
fol
lo wi
ng
expr
essi…

Thema
ss m of

abal
l
bear
ingi

sdir
ec t
l
yp r
opor
ti
onal
t
ot
hec
ubeo
f
i
ts
di
amet
er
d.
When
d =
5mm the
mass m i
s 2g.

a)
Fi
nd
a f
ormul
a f
or
m i
n…

Rear
range
the
for
mul
a
a =

2s

Az
ebraa
t
az ooi

ssedat
edf
or
ami no r
vet
eri
narye
xami
n at
ion.
Thea
mo unt
(
in
mg)
of
seda t
i
ver
emai
ningi

nthez
eb ra' sb
loodst
ream
aft
er…

d
a
ti
v
e
r
e
m
a
i
n
i
n
g
(
y
m
g
)

c)
Draw t
he
graph
of
y agai
nst
t.

t/
16
d)
Use
your
gr
aph
to
sol
ve
the
equat
ion
6
× 4 =
3

Thet
abl
es…

<
2
0

2 9
0

y
<
2
5

2 18
5

y
<
3
0

3 12
0

y
<
4
0

4 32
0

y
<
5
0

5 25
0

y
<
7
0

Draw a
hist
ogr
am
to
show t
his
inf
ormat
ion.

a)
Fact
ori
se
12a²
b ­
8ab²

b)
Si
mpl
if
y
i
)
a ×a6

ii
)
(3b³
)² i
i
i)

b5

2
c)
Si
mpl
if
y
i
)
(3a²
)
ii
)…

b)
Use
your
f
ormul
a t
o f
ind
the
val
ue
of
x when
y =
0.5

6
Last
year
therew
e r
e 3.
87×1
0
student
s at
tendi
ngs
eco nda r
y s chool
i
ntheU
K .
Ona
v erage,
as econdarys
c…