1.
Use the distributive property to rewrite 3(5 +
y
) without parentheses.
A.
8 +
y
B.
8 + 3
y
C.
15 + 3
y
D.
15 +
y
Hint
2.
Evaluate
when
x
= 15 and
y
= 15.
A.
225
B.
-15
C.
15
D.
-225
Hint
3.
Solve the equation 3
x
+
y
= 6 for
x
.
A.
B.
x
= 5
y
C.
x
= 6 - 3
x
D.
x
= 2 -
y
Hint
4.
A tree that is 5 feet tall casts a shadow 2 feet long. A nearby building casts a shadow that is 20 feet long. How tall is the building?
A.
10 ft
B.
50 ft
C.
20 ft
D.
0.5 ft
Hint
5.
A person biking uphill travels 15 miles in 1hour.
The same person biking downhill travels 15 miles
in
hour. Find this person's average speed.
A.
30 mph
B.
22.5 mph
C.
15 mph
D.
20 mph
Hint
6.
If
f
(
x
) = 3
x
+ 5, find
f
(2).
A.
8
B.
10
C.
11
D.
2
f
Hint
7.
Solve
A.
B.
C.
D.
Hint
8.
The area of the rectangle shown below is 4
x
3
y
2
, and its base
b
is 2
x
5
y
. Find the height,
h
.
A.
B.
2
x
2
y
C.
D.
8
x
8
y
3
Hint
9.
Find the prime factorization of 324.
A.
2
2
· 3
3
B.
2
2
· 3
4
C.
2
2
· 3
2
· 9
D.
3
4
· 4
Hint
10.
Factor
x
2
– 16.
A.
(
x
+ 4)(
x
+ 4)
B.
(
x
+ 4)(
x
– 4)
C.
(
x
+ 2)(
x
– 8)
D.
(
x
– 4)(
x
– 4)
Hint
11.
Write a verbal expression for 2
x
+
y
2
.
A.
The sum of 2 times
x
and
y
.
B.
The difference of 2 times
x
and
y
squared.
C.
The sum of 2 times
x
and
y
squared.
D.
The sum of
x
and
y
squared.
Hint
12.
Name the property used in the equation
r
× 21 = 1. Then solve for
r
.
A.
Additive Identity;
r
= 0
B.
Multiplicative Identity;
r
=
C.
Multiplicative Inverse;
r
=
D.
Multiplicative Identity;
r
= 1
Hint
13.
Solve
A.
a
= 90
B.
C.
a
= -90
D.
Hint
14.
The scale of a map is
inch = 10 miles. What is the distance between two cities that are
inches apart on the map?
A.
90 miles
B.
100 miles
C.
95 miles
D.
80 miles
Hint
15.
Xenxang drove 60 miles to visit his daughter. On the way to his daughter's house the trip took 1 hour and 15 minutes. On the way back from his daughter's house the trip took 1 hour and 30 minutes. Rounded to the nearest mile per hour, what was Xenxang's average speed for the round trip?
A.
48 miles per hour
B.
46 miles per hour
C.
44 miles per hour
D.
40 miles per hour
Hint
16.
Graph 2
x
+ 3
y
= 9.
A.
B.
C.
D.
Hint
17.
Solve
A.
B.
C.
D.
Hint
18.
Which point is in the solution set of
and
y
> -2
x
– 1.
A.
(-2.8, 4.6)
B.
(-2, 8)
C.
(-6, 5)
D.
(0, 3)
Hint
19.
Find the product (4
n
+ 3)(4
n
– 3).
A.
16
n
2
– 24
n
– 9
B.
16
n
2
+ 24
n
– 9
C.
16
n
2
– 9
D.
16
n
2
+ 9
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.
12 feet
B.
8 feet
C.
6 feet
D.
14 feet
Hint