Math001
EXAM I
Term 151
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1) Which one of the following statements is FALSE?
1
A) The multiplicative inverse of -5
4
B) -a + ( a + 3 ) = (- a + a ) + 3
addition .
is 5 1 .
4
represents the associative property of
3
C)
2 7 is a rational number.
2 9
D) -
-5 =
-5
E) Every natural number is an integer.
R2
2) If a > 0 and b < 0 , then
A) 5a - 4b
B) 3a + 5b
C) 5a - 2b
D) 4a - 3b
E) 3a - 4b
R2
4a + 3b + b - a =
Math001
EXAMI
Term 151
3)
3 3
5
÷
6 + 14
÷
7×3-6
1 .05 + 2.9 5
A)
3
20
B)
5
12
C)
1
4
D)
1
5
E)
4
15
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=
Arithmatic
4) When dividing
2
A) x - 2x - 3
2
B) x + 2x + 3
2
C) x -2x + 3
D) -3x -2
2
E) x - 3
R3
x 4 - 3x 3 + 2x - 5
x2 - x + 1
, the qoutient is
Math001
EXAMI
Term 151
Page: 3
Code0
5) The coefficient of x in the expression
2
2
3
2
is equal to :
(2x - 3) ( 2x + 7x -8) + 7x + 2x
3
A) 1 1
B) 59
C)
-3
D) 6
E) -2
R3
6) One factor of
a b - a b + a3 - b 3
2
A) ( a + b )
2
B) ( a - b )
2
2
C) a + ab + b
2
2
D) a -ab + b
2
2
E) a + b
R4
2
2
is :
Math001
EXAMI
Term 151
Page: 4
Code0
3
7) One factor of 128 + 2( 3x + 2 ) is :
2
A) 3x + 4
2
B) 3x + 8x + 8
2
C) 9x - 12x + 2 0
D) 9x 2 + 16
2
E) 9x + 12x +2 0
R4
8) Factoring
a b - 1 - 2 abc + c 2
2
2
A) (ab - c -1 )(ab - c + 1 )
B) (ab - c -1)(ab + c -1 )
C) (abc - 1 )(abc + 1 )
D) (a + b + c -1)(a + b +c +1)
E) (a + b + c -1 )(a +b - c -1 )
R4
we get :
Math001
EXAMI
Term 151
9) The expression
16 - 4x
+
16 - x 2
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x 2 +6x + 9
x 3 +2 7
÷
x 2 + 7x + 12
x - 3x 2 + 9 x
1
x
B)
x+ 4
A)
C)
D)
E)
1
x+ 4
-2x
x+ 3
x+4
R5
3-
10) The expression
A)
3x - 8
5x - 4
B)
3x + 8
5x - 8
C)
3x - 8
5x + 3
D)
3x + 4
4x - 3
E)
x
x-2
R5
2 +
2
x- 2
3
2
1x
is equal to :
3
simplifies to
:
Math001
EXAMI
Term 151
11) The least common denominator (LCD) of the expression:
5x
7
is :
3
2
(x + 5 )( x - 7)
x ( x + 5) ( x - 7 )
2
3
A) x( x + 5) ( x - 7)
3
4
B) x(x + 5) (x - 7)
C)
7x(x +5)2 (x - 7)3
D) x(x +5)(x - 7)
E) 35x(x +5)(x -7)
R5
12)
2
( 2 a-1 b c -2 )
(3
-1
A)
b)( 2
-1
ac
96 bc 2
a5
bc2
B)
6a5
C)
48 bc 2
a5
2 4 ba3
D)
c2
E)
R6
24 ca5
b
-2 3
)
=
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Math001
EXAMI
Term 151
Page: 7
Code0
a+b
a-1 - b -1
·
=
13)
-1
-1
a-b
a +b
A) - 1
B) 1
C) a + b
D) a - b
E)
1
a-b
R6
14) One factor of
A) 3x + 1
B) 3x - 1
C) x + 1
D) 2x - 1
E) x(x + 1)
R6
7x
5
3
+ 14 x
2
1
3
- 21 x 3
is :
Math001
EXAMI
Term 151
3
3
3 4
15) 3x 8 x y
+ 4y 64 x 6 y =
3
2
A) 22x y y
3
2
B) 10x y y
C) 7xy
3
x
2
D) 40xy
3
x2
2
E) 10xy
3
y
R7
16) Which one of the following statements is TRUE?
4
4
2
2
A) a - b = (a + b)(a - b)(a + b )
3
3
2
2
3
B) (a - b) = a + 3a b - 3ab + b
C)
a2 + b 2 = a + b
2
2
2
D) (a + b) = a + b
2
2
E) (a + b )(a - b ) = a + 2ab + b
R3+
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Math001
EXAMI
Term 151
2
5 - 3
17)
Page: 9
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=
A)
5 + 3
B)
5 + 2
C)
3 - 5
D)
3+2 5
E)
5 +2 3
R7
1
3
18) The value of (0.027) ( 0 .8 1 ) +
A)
77
100
B)
32
100
C)
32
10
D)
135
100
E)
17
10
R6+R7
3
0 .125 is :
Math001
EXAMI
Term 151
3 ,
19) The set { -5, 10
2 +1 ,
, 2 2 , 3.14 , 5 ,
7
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36 ,
5 0 } contains
only:
A) three irrational numbers.
B) four irrational numbers.
C) five rational numbers.
D) four integers.
E) one natural number.
20) Let U={ -2, -1, 0, 1, 2, 3, 4, 5, 6, 7 } be the universal set. If M ={ 2 , 4 , 6 }
N ={ x x is an integer , -1 < x < 5 } and R ={ 1, 3, 5, 7 } , then
(M N) R =
A) { 0, 1, 3, 5, 7}
B) {-1, 0, 1, 2, 3 , 4, 5, 6 }
C) { -2, -1, 1, 3, 5, 7}
D) { 5, 7 }
E) { -1, 0, 1, 3}
Answer Key
Testname: 151 REVISED
1) A
2) A
3) A
4) A
5) A
6) A
7) A
8) A
9) A
10) A
11) A
12) A
13) A
14) A
15) A
16) A
17) A
18) A
19) A
20) A