MENU
Educational Resources
Exam Papers
Form 1 Videos
Form 2 Videos
Form 3 Videos
Form 4 Videos
Grade 4 Videos
Grade 5 Videos
Grade 6 Videos
Grade 7 Videos
Class 8 Videos
Form 1 Exams
Form 2 Exams
Form 3 Exams
Form 4 Exams
KCSE Videos
Class 8 Exams
Grade 5 Exams
Grade 4 Exams
Grade 3 Exams
Grade 2 Exams
Grade 1 Exams
Online Tests
Online Tuition
Sign In
Join
Get access to thousands of educational resources
Get premium membership
and access revision papers with marking schemes, video lessons and live classes.
OR
Processing. Please wait.
Form 3 Questions and Answers on Formulae
Make P the subject of the formula
P
2
=
(
P
-
q
)
(
P
-
r
)
(3m 26s)
2769 Views
SHARE
|
« Previous
Next »
1.
Make x the subject of the formula
N
=
P
√
(
a
x
+
b
x
)
2.
Make n the subject of the formula
E
=
√
x
(
n
-
x
)
n
-
1
3.
Make P the subject of the formula
A
=
-
E
P
√
P
2
+
N
4.
The volume V
c
m
3
of an object is given by
V
=
2
3
π
r
3
(
1
s
c
2
-
2
)
Express c in terms of
π
, r, s and V
5.
Make V the subject of the formula
T
=
1
2
m
(
u
2
-
v
2
)
6.
Given that
y
=
b
-
b
x
2
c
x
2
-
a
make x the subject
7.
Given that log
y
=
log
(
10
x
n
)
, make n the subject
8.
Make x the subject of the formula
P
=
(
x
y
z
+
x
)
1
2
9.
Make x the subject of the formula:
S
=
W
√
a
2
-
x
2
10.
Make y the subject of the formula:
P
=
x
y
x
-
y
11.
Make c the subject of the formula:
T
=
x
√
c
2
+
d
2
12.
Make P the subject of the formula
P
2
=
(
P
-
q
)
(
P
-
r
)
13.
Make s the subject of the formula
√
p
=
r
√
1
-
a
s
2
14.
Make b the subject of the formula:
b
d
√
(
b
2
-
d
)
15.
Given that
y
=
2
x
-
z
x
+
3
z
, express x in terms of y and z.
16.
Make h the subject of the formula
q
=
1
+
r
h
1
-
h
t
17.
Make x the subject of the equation:
3
y
=
y
+
p
q
+
1
x
18.
Make s the subject of the formula:
w
=
3
√
s
+
t
3
19.
Make n the subject of the equation:
r
p
=
m
√
n
-
1
20.
Make d the subject of the formula,
P
=
1
2
m
n
2
-
q
d
2
n
21.
Make s the subject of the formula:
w
=
3
√
s
+
t
s
22.
Make t the subject of the formula
s
=
√
3
d
(
t
-
d
)
8
×
Share Content Via:
Facebook
Twitter
WhatsApp
Close
Get premium membership