1.
Find the difference (4 - 7
a
2
) - (-
a
+ 2
a
2
- 1).
A.
-5
a
2
+
a
+ 5
B.
-9
a
2
+
a
+ 3
C.
-9
a
2
+
a
+ 5
D.
-5
a
2
-
a
+ 3
Hint
2.
Find the product -
c
(
c
3
- 3
c
2
+
c
).
A.
-
c
4
+ 3
c
3
B.
-
c
4
+ 3
c
3
-
c
2
C.
-
c
3
+ 3
c
2
-
c
D.
-
c
4
- 3
c
3
+
c
2
Hint
3.
Solve the equation
x
(
x
– 9) – 10 =
x
(
x
+ 2) + 12.
A.
2
B.
-7
C.
-2
D.
-22
Hint
4.
Find the product (
a
+ 8)(
a
+ 5).
A.
a
2
+ 3
a
+ 40
B.
a
2
+ 40
a
+ 13
C.
a
2
+ 13
a
+ 40
D.
2
a
2
+ 13
a
+ 40
Hint
5.
Which statement below is
not
correct?
A.
(2
b
- 5)
2
= 4
b
2
- 20
b
+ 25
B.
(5
y
- 7)
2
= 25
y
2
+ 70
y
+ 49
C.
(3
a
+ 1)
2
= 9
a
2
+ 6
a
+ 1
D.
(
x
+ 2)
2
=
x
2
+ 4
x
+ 4
Hint
6.
State whether the expression 9
x
7
+ 4
x
4
– 3
x
is a
monomial, binomial, trinomial
or
not a polynomial
.
A.
binomial
B.
not a polynomial
C.
monomial
D.
trinomial
Hint
7.
Find the degree of the polynomial 22
x
5
y
+ 13
x
7
+ 4
x
y
5
+
x
4
y
5
.
A.
9
B.
7
C.
13
D.
22
Hint
8.
Find the sum of the areas of the rectangles.
A.
(12
d
2
+ 14
d
+ 12) cm
2
B.
(35
d
2
+ 14
d
+ 36) cm
2
C.
(36
d
2
+ 48
d
+ 35) cm
2
D.
(24
d
+ 14
d
+ 12) cm
2
Hint
9.
Find the product of 3 – 4
x
and 3 + 4
x
.
A.
6 + 8
x
B.
9 + 16
x
2
C.
9 – 16
x
2
D.
6
Hint
10.
In genetics dimples are a dominant trait. If a mother and father each have a 50% chance of passing a dominant gene for dimples, what is the chance that their baby would not have dimples?
A.
25%
B.
75%
C.
0%
D.
50%
Hint