1.
Simplify the expression 2
a
+ 7
b
+ 12
a
+ 3
b
and then evaluate if
a
= 2 and
b
= -2.
A.
10
a
+ 14
b
; -8
B.
14
a
+ 8
b
; 12
C.
14
a
+ 10
b
; 8
D.
9
a
+ 15
b
; -12
Hint
2.
Add 3
x
2
+ 2
x
- 1 and
x
2
- 3
x
+ 5.
A.
2
x
2
- 5
x
- 6
B.
4
x
2
+ 5
x
- 4
C.
2
x
2
+ 5
x
+ 4
D.
4
x
2
-
x
+ 4
Hint
3.
Find (2
x
2
- 3
x
+ 1) + (3
x
2
-
x
- 5).
A.
5
x
2
+ 4
x
- 4
B.
5
x
2
- 4
x
+ 4
C.
5
x
2
+ 4
x
- 4
D.
5
x
2
- 4
x
- 4
Hint
4.
Find 5
3
· 5
7
A.
5
4
B.
25
10
C.
25
-4
D.
5
10
Hint
5.
Find the measure of the area of the shaded region in simplest form.
A.
13
d
2
+ 6
d
B.
12
d
2
+ 5
d
C.
12
d
2
+ 6
d
D.
11
d
2
+ 6
d
Hint
6.
The ordered pair (-2, -13) is on the graph of which equation?
A.
B.
C.
D.
Hint
7.
Find the difference of (7
x
2
+ 12
x
– 5) and (5
x
2
–
x
+ 1).
A.
2
x
2
+ 11
x
– 6
B.
2
x
2
+ 11
x
– 4
C.
12
x
2
+ 11
x
– 4
D.
2
x
2
+ 13
x
– 6
Hint
8.
Find (4
c
– 5
d
+ 10) – (16
c
+ 7
d
+ 6) then evaluate the difference for
c
= -3 and
d
= -8.
A.
36
B.
-128
C.
136
D.
56
Hint
9.
Which equation represents a nonlinear function?
A.
y
= 5
x
B.
y
= 5
x
2
+ 1
C.
y
= 5
x
+ 1
D.
y
= 5
Hint
10.
Which table represents a linear function?
A.
B.
C.
D.
Hint
11.
Find the graph of
y
= 2
x
2
.
A.
B.
C.
D.
Hint
12.
Simplify 6
c
- 9
d
- 7
c
+
d
+ 2
d
.
A.
-13
c
- 12
d
B.
-
c
- 12
d
C.
-
c
- 6
d
D.
-13
c
- 6
d
Hint
13.
Venus is approximately 10
7
miles from Earth. Pluto is approximately 10
9
miles from Earth. About how many times farther away from Earth is Pluto than Venus?
A.
10
4
, or 10,000 times
B.
10
3
, or 1,000 times
C.
10
1
, or 10 times
D.
10
2
, or 100 times
Hint
14.
Find 5
x
(2
x
2
- 6
x
+ 12).
A.
10
x
2
- 30
x
+ 60
B.
10
x
3
- 30
x
2
+ 60
x
C.
10
x
3
- 30
x
2
- 60
x
D.
10
x
3
- 30
x
+ 60
Hint