1.
Name the property shown by the statement 6 · 7 · 3 = 6 · 3 · 7.
A.
Associative Property of Multiplication
B.
Associative Property of Addition
C.
Commutative Property of Addition
D.
Commutative Property of Multiplication
Hint
2.
On a coordinate system, the vertical number line is called the _____.
A.
plane axis
B.
x
-axis
C.
coordinate axis
D.
y
-axis
Hint
3.
The sum of any number and its additive inverse is _____.
A.
always negative
B.
always positive
C.
always -1
D.
always 0
Hint
4.
Find the quotient -56 χ (-8).
A.
-46
B.
-64
C.
-7
D.
7
Hint
5.
Find 12.5% of 32.
A.
256
B.
2.56
C.
4
D.
400
Hint
6.
Soundous needs a 50% saline solution. She has 60 milliliters of a 40% solution. How many milliliters of a 70% solution should she add to obtain the required 50% solution?
A.
90 milliliters
B.
30 milliliters
C.
270 milliliters
D.
180 milliliters
Hint
7.
State the slope and the coordinates of a point on the graph of the equation
y
6 = 3(
x
+ 1).
A.
m
=
; (-1, 6)
B.
m
= 3; (6, 1)
C.
m
= 3; (1, 6)
D.
m
= 3; (1, 6)
Hint
8.
To find the
y
-intercept of the graph of an equation, you should _______.
A.
let
x
= 0 in the equation and solve for
y
B.
let
y
= 0 in the equation and solve for
x
C.
let
x
= 1 in the equation and solve for
y
D.
multiply the coefficients of
x
and
y
Hint
9.
Graphs that have at least one characteristic in common that makes them different from other groups of graphs are called _________.
A.
a family of graphs
B.
positive graphs
C.
reciprocal graphs
D.
identity graphs
Hint
10.
The degree of the polynomial -4
b
2
c
2
+ 5
ac
5
-
abc
is ______.
A.
6
B.
4
C.
3
D.
13
Hint
11.
Express 0.00000083 in scientific notation.
A.
83 × 10
-8
B.
8.3 × 10
-7
C.
0.83 × 10
-6
D.
-8.3 × 10
-7
Hint
12.
A whole number that has exactly two factors, the number itself and 1, is called a ______.
A.
square number
B.
composite number
C.
radical number
D.
prime number
Hint
13.
Solve
A.
B.
C.
D.
Hint
14.
Simplify the expression
(6
x
- 4).
A.
3
x
4
B.
-2
x
+ 6
C.
3
x
2
D.
-2
x
+ 3
Hint
15.
Find the difference -2 (-4).
A.
2
B.
-6
C.
6
D.
-2
Hint
16.
Solve the equation 10 =
.
A.
x
= -1
B.
x
= -80
C.
x
= 80
D.
x
= 1
Hint
17.
Solve the equation 3(
z
2) + 4(
z
+ 2) =
z
.
A.
z
= -1
B.
z
=
C.
z
= 0
D.
no solution
Hint
18.
8 is 40% of what number?
A.
32
B.
20
C.
3.2
D.
2
Hint
19.
The relation in the graph is _________.
A.
not a function because each member of the range is paired with more than one member of the domain
B.
a function because each member of the range is paired with
exactly
one member of the domain
C.
a function because each member of the domain is paired with
exactly
one member of the range
D.
not a function because each member of the domain is paired with more than one member of the range
Hint
20.
Find the value of c that makes 4
x
2
+ 12
x
+
c
a perfect square.
A.
1
B.
3
C.
18
D.
9
Hint