36
The shaded region above is represented by
the equation
A.
y
= 4x + 2
B.
y
= 4x + 2
C.
y
=
-
4x + 4
D.
y
= 4x + 4
19.
The nth term of a sequence is n
2
6n
4.
Find the sum of the 3rd and 4th terms.
A.
24
B. 23
C.
-
24
D.
-
25
20.
The sum of infinity of a geometric
progression is
10
1
.
and the first is
.
8
1
.
Find the common ratio of the progression.
A.
5
1
.
B.
4
1
.
C.
3
1
.
D.
2
1
.
21.
The binary
operation
.
is defined on the set
of integers such that
p
.
q = pq + p
q. Find 2
.
(3
.
4).
A.
11
B. 13
C. 15
D. 22
22.
A binary operation on the set of real
numbers is defined by m
.
n =
..
.
for all m,
n
.
R. If the identity element is 2, find the
inverse of
5.
A.
5
4
.
B.
5
3
.
C. 4
D. 5
23.
If
.
5
3
.
2
.
=
.
3
5
4
5
.
, find the value of x.
A.
3
B.
4
C.
5
D. 7
24.
G
iven that I
3
is a unit matrix of order 3, find
|
I
.
|
A.
-
1
B. 0
C. 1
D.
2
25.
In diagram above,
QR//TU
,
.
PQR = 80
o
and
.
PSU = 95
o
.
Calculate
.
SUT.
A.
15
o
B.
25
o
C. 30
o
D.
80
o
26.
The exterior angles of
a polygon are given
by x, 2x, 3x, 4x and 5x respectively. Find the
value of x.