1.
Solve
a
2
– 12
a
= -27.
A.
a
= 3 or
a
= 9
B.
a
= 9
C.
a
= -27 or
a
= -15
D.
a
= 3
Hint
2.
Factor
x
2
– 7
x
+ 12.
A.
(
x
– 3)(
x
– 4)
B.
(
x
– 6)(
x
– 2)
C.
(
x
+ 6)(
x
+ 2)
D.
(
x
+ 3)(
x
+ 4)
Hint
3.
Factor
x
2
+ 6
x
– 7.
A.
(
x
+ 3)(
x
+ 3)
B.
(
x
– 3)(
x
– 3)
C.
(
x
+ 1)(
x
– 7)
D.
(
x
– 1)(
x
+ 7)
Hint
4.
Suppose the area of a square is
x
2
– 10
x
+ 25. What is the perimeter of the square?
A.
4
x
– 20
B.
2
x
C.
4
x
D.
2
x
– 10
Hint
5.
What are two consecutive numbers whose product is 132?
A.
11 and 12
B.
10 and 11
C.
6 and 22
D.
12 and 13
Hint