1.
Factor
x
2
– 7
x
+ 12.
A.
(
x
+ 6)(
x
+ 2)
B.
(
x
– 3)(
x
– 4)
C.
(
x
+ 3)(
x
+ 4)
D.
(
x
– 6)(
x
– 2)
Hint
2.
Factor
x
2
– 4
x
– 32.
A.
(
x
+16)(
x
– 2)
B.
(
x
– 8)(
x
+ 4)
C.
(
x
– 16)(
x
+ 2)
D.
(
x
+ 8)(
x
– 4)
Hint
3.
When factoring quadratic trinomials of the form
x
2
+
b
x
+
c
, what is true about
m
and
n
if the factored form is (
x
+ m)(
x
+
n
)?
A.
Their sum is equal to
b
, and their product is equal to
c
.
B.
Their sum is equal to
c
, and their product is equal to
b
.
C.
The product of
b
and
c
is equal to the sum of m and
n
.
D.
The sum of
b
and
c
is equal to the product of m and
n
.
Hint
4.
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 = 30 ft
width = 24ft
B.
length = 24 ft
width = 30 ft
C.
length = 15 ft
width = 18 ft
D.
length = 18 ft
wideth = 15ft
Hint
5.
Suppose the area of a square is
x
2
– 10
x
+ 25. What is the perimeter of the square?
A.
4
x
B.
2
x
C.
2
x
– 10
D.
4
x
– 20
Hint