1.
Solve
a
2
– 12
a
= -27.
A.
a
= 3 or
a
= 9
B.
a
= 3
C.
a
= -27 or
a
= -15
D.
a
= 9
Hint
2.
Factor
x
2
– 7
x
+ 12.
A.
(
x
+ 6)(
x
+ 2)
B.
(
x
– 6)(
x
– 2)
C.
(
x
+ 3)(
x
+ 4)
D.
(
x
– 3)(
x
– 4)
Hint
3.
Factor
x
2
+ 6
x
– 7.
A.
(
x
+ 1)(
x
– 7)
B.
(
x
+ 3)(
x
+ 3)
C.
(
x
– 1)(
x
+ 7)
D.
(
x
– 3)(
x
– 3)
Hint
4.
Factor
x
2
– 4
x
– 32.
A.
(
x
+ 8)(
x
– 4)
B.
(
x
+16)(
x
– 2)
C.
(
x
– 8)(
x
+ 4)
D.
(
x
– 16)(
x
+ 2)
Hint
5.
Joanne has a garden that is 9 feet long by 6 feet wide. She wants to increase the dimensions of the garden by the same amount, and have the area of the new garden be 5 times the area of the present garden. What should the new dimensions be?
A.
length = 15 ft
width = 18 ft
B.
length = 18 ft
wideth = 15ft
C.
length = 30 ft
width = 24ft
D.
length = 24 ft
width = 30 ft
Hint