1.
Evaluate
when
x
= 15 and
y
= 15.
A.
15
B.
-225
C.
225
D.
-15
Hint
2.
Solve 15 +
a
= 10.
A.
a
= 150
B.
a
= -25
C.
a
= -5
D.
a
= 25
Hint
3.
Find cos
X
.
A.
0.6
B.
0.8
C.
6
D.
0.75
Hint
4.
Choose the inequality whose solution set is graphed below.
A.
B.
x
< -3 and
x
> 0
C.
x
> -3 or
x
< 2
D.
-5 <
x
< 5
Hint
5.
Evaluate (3.2 × 10
-5
)(5.4 × 10
9
). Express the result in scientific notation.
A.
1.728 × 10
5
B.
0.1728 × 10
6
C.
17.28 × 10
4
D.
1.728 × 10
3
Hint
6.
Factor 3
y
2
+ 7
y
+ 4.
A.
(3
y
+ 2)(
y
+ 2)
B.
(3
y
+ 4)(
y
+ 1)
C.
(3
y
+ 1)(
y
+ 7)
D.
(3
y
+ 1)(
y
+ 4)
Hint
7.
What are the real roots of the quadratic equation whose related function is graphed below?
A.
-3, 1
B.
3
C.
3, -1
D.
-1, -3
Hint
8.
Solve
.
A.
-1
B.
no real solution
C.
0
D.
5
Hint
9.
Simplify 12
y
+ 8
y
.
A.
4
y
B.
20
y
2
C.
simplified
D.
20
y
Hint
10.
Find the odds of rolling a number greater than or equal to four on a number cube.
A.
B.
C.
D.
Hint
11.
What is the probability of rolling a number greater than 6 on a number cube?
A.
B.
0
C.
1
D.
Hint
12.
Translate the sentence into an equation. Seven times
v
subtracted from 102 equals 53.
A.
102 – 7
v
= 53
B.
7(102) –
v
= 53
C.
7(102 –
v
) = 53
D.
7
v
– 102 = 53
Hint
13.
Solve 4
w
–
x
=
wy
+ 10 for
w
.
A.
B.
w
= 14 +
x
–
y
C.
D.
Hint
14.
Write an equation of a line that passes through (-3, 4) with slope -
.
A.
B.
C.
D.
Hint
15.
Solve
A.
b
< 54
B.
C.
b
> 54
D.
Hint
16.
Solve
A.
{
x
| -14 <
x
< -1}
B.
{
x
| -1 <
x
< 14}
C.
{
x
| -14 <
x
< 1}
D.
{
x
| 1 <
x
< 14}
Hint
17.
Use elimination to solve the system of equations given by 6
x
+ 2
y
= 0 and 3
x
+ 7
y
= 24.
A.
B.
(-1, 3)
C.
infinitely many solutions
D.
no solution
Hint
18.
Suppose that the base of a triangle is 3
x
y
and its height is also 3
x
y
. What is its area, expressed as a monomial?
A.
x
4
B.
C.
6
x
2
y
2
D.
Hint
19.
Factor 16
b
4
– 36
b
2
.
A.
2
b
2
(4
b
– 3)(4
b
+ 3)
B.
4
b
2
(2
b
– 3)(2
b
+ 3)
C.
2
b
2
(2
b
– 3)(2
b
+ 3)
D.
4
b
2
(4
b
– 3)(4
b
+ 3)
Hint
20.
Suppose a man that is 6 feet tall is standing near a street light that is 10 feet high. If the shadow that is cast extends 20 feet away from the light, how far away from the light is the man?
A.
8 feet
B.
6 feet
C.
14 feet
D.
12 feet
Hint