1.
Which graph represents the solution to
x
+ 4 > -2?
A.
B.
C.
D.
Hint
2.
Use substitution to solve the system of equations given below.
8
x
- 4
y
= 16
2
x
-
y
= 4
A.
(0, -4)
B.
no solution
C.
infinitely many solutions
D.
(2, 0)
Hint
3.
Evaluate (3.2 × 10
-5
)(5.4 × 10
9
). Express the result in scientific notation.
A.
0.1728 × 10
6
B.
17.28 × 10
4
C.
1.728 × 10
5
D.
1.728 × 10
3
Hint
4.
Find (4
y
- 5)(3
y
- 7).
A.
12
y
2
– 43
y
- 35
B.
12
y
2
– 43
y
+ 35
C.
12
y
2
+ 35
D.
12
y
2
– 13
y
+ 35
Hint
5.
Solve the equation
x
2
= 0.81.
A.
x
= 0.9 or
x
= -0.9
B.
none of these is correct
C.
x
= -0.9 only
D.
x
= 0.9 only
Hint
6.
Graph
A
(-2, 5) and
B
(-3, 6). Then reflect
A
and
B
over the
y
-axis and graph
A'
and
B'
.
A.
B.
C.
D.
Hint
7.
Find
.
A.
B.
C.
D.
Hint
8.
Add 3
x
2
+ 2
x
- 1 and
x
2
- 3
x
+ 5.
A.
2
x
2
+ 5
x
+ 4
B.
2
x
2
- 5
x
- 6
C.
4
x
2
-
x
+ 4
D.
4
x
2
+ 5
x
- 4
Hint
9.
What are the second differences in the
y
-values?
A.
2
B.
0
C.
–1
D.
1
Hint
10.
What type of relationship does the equation have if its first differences are constant?
A.
linear
B.
cubic
C.
constant
D.
quadratic
Hint
11.
Evaluate.
A.
3
B.
2
C.
–2
D.
–3
Hint
12.
Find a solution to the equation by doing the same thing to both sides.
3(5
f
+ 7) + 9(
f
+ 4) = 9
A.
f
= –2
B.
f
= –12
C.
f
= –9
D.
f
= –10
Hint
13.
Toby needs to create a rectangular pen for his dog. He decides that the area of the pen will be 100 square feet with its length 2 feet longer than its width. What are the dimensions of Toby's pen approximated to the nearest hundredth?
A.
length 11.05 ft width 9.05 ft
B.
length 10.32 ft width 8.32 ft
C.
length 10.58 ft width 8.58 ft
D.
length 10.00 ft width 10.00 ft
Hint
14.
Translate the figure using the given vector.
A.
B.
C.
D.
Hint
15.
Scale the figure below by
.
A.
B.
C.
D.
Hint
16.
Start with a square with side length. Create a large rectangle by adding two more squares of the same size, and remove a strip with a width of 1. What is the area of the new rectangle?
A.
x
(
x
+ 3) =
x
2
+ 3
x
B.
x
(
x
– 1) =
x
2
–
x
C.
x
(3
x
+ 1) = 3
x
2
+
x
D.
x
(3
x
– 1) = 3
x
2
–
x
Hint
17.
Find the quotient. Simplify
A.
B.
C.
D.
Hint
18.
Find the solutions of the equation.4
y
2
– 16 = 0
A.
y
= 2 and
y
= –2
B.
y
=
and
y
=
C.
y
=
and
y
=
D.
y
= –2 and
y
= –2
Hint
19.
Factor the quadratic expression.
x
2
+ 2
x
– 24
A.
(
x
+ 6)(
x
+ 4)
B.
(
x
– 6)(
x
+ 4)
C.
(
x
– 6)(
x
– 4)
D.
(
x
+ 6)(
x
– 4)
Hint
20.
Find the solutions of the equation.(
x
– 2)
2
– 1 = 3
A.
x
= –4 and
x
= –4
B.
x
= 0 and
x
= 4
C.
x
= 4 and
x
= –4
D.
x
= 0 and
x
= –4
Hint