1.
Simplify 6
a
+ 15
a
.
A.
21
a
2
B.
42
a
C.
21
a
D.
6
a
+ 15
a
Hint
2.
Write an equation for the following word problem. A number is 6 times another number. The sum of the two numbers is 56.
A.
y
+ 6
y
= 56
B.
y
+
y
= 56
C.
y
= 56
D.
y
= 6(56)
Hint
3.
The sum of a number and -16 is 25. Find the number.
A.
41
B.
9
C.
D.
-9
Hint
4.
Solve
A.
x
=
B.
x
=
C.
x
=
D.
x
= -7
Hint
5.
Solve –14
n
= -112.
A.
n
= -1568
B.
n
= -8
C.
n
= 8
D.
n
= 1568
Hint
6.
Solve
A.
y
= 21
B.
No Solution
C.
All Real Numbers
D.
y
= -21
Hint
7.
Solve 2
x
+ 8
y
= 48 for
y
.
A.
B.
y
= -2
x
+ 48
C.
D.
y
= -2
x
+ 6
Hint
8.
Solve 4
w
–
x
=
wy
+ 10 for
w
.
A.
B.
C.
D.
w
= 14 +
x
–
y
Hint
9.
Solve –6
x
– 12 > -18.
A.
x
> 1
B.
x
> 5
C.
x
< 5
D.
x
< 1
Hint
10.
Solve -15 =
k
- 12.
A.
k
= -3
B.
k
= -27
C.
k
=
D.
k
= 27
Hint
11.
What best describes the equation 14 - 2
x
+ 10?
A.
false
B.
none of these
C.
open
D.
true
Hint
12.
What best describes the equation 10 ÷ 4 = 2?
A.
true
B.
none of these
C.
false
D.
open
Hint
13.
Which is the solution to
A.
4
B.
8
C.
D.
32
Hint
14.
Which is the solution to
A.
B.
C.
D.
Hint
15.
The formula to find the area of a trapezoid is
where
are bases and
h
is the height. If the area of a trapezoid is 42,
and
h
=3, what is the length of
A.
28
B.
32
C.
24
D.
4
Hint
16.
Which inequality is shown in the graph?
A.
p
B.
p
C.
p
D.
p
Hint
17.
Which is the graph of the solution to
A.
B.
C.
D.
Hint
18.
Find the solution to the sentence, ''2 times the sum of a number and 4 is at least 6 times the number decreased by 8''.
A.
x
4
B.
C.
x
-12
D.
x
-12
Hint