1.
Which equation has a graph that is parallel to the graph of 4
x
- 2
y
= 1?
A.
y
= 2
x
- 3
B.
C.
D.
Hint
2.
Looking at several specific situations to arrive at an educated guess is called __________.
A.
deductive reasoning
B.
inductive reasoning
C.
a conjecture
D.
guessing
Hint
3.
Determine if the following conjecture is true or false? Explain.
Given:
x
2
= 4
Conjecture:
x
= 4 or
x
= -4
A.
False; the square root of 4 is 2 or -2.
B.
True; squaring a positive number results in a positive number and squaring a negative number results in a positive number.
C.
True; two answers are always more accurate than one answer.
D.
False; the square root of a positive number is always a positive number.
Hint
4.
What is
if
and
A.
68
B.
78
C.
88
D.
31
Hint
5.
Find the length of the major axis of an ellipse with equation
9
x
2
+
y
2
+ 36
x
- 6
y
+ 36 = 0.
A.
1
B.
2
C.
9
D.
6
Hint
6.
Which figure is not a polygon?
A.
B.
C.
D.
Hint
7.
How many other triangles in the figure appear to be congruent to
ABC
?
A.
8
B.
4
C.
3
D.
7
Hint
8.
In parallelogram
ABCD
,
B
________.
A.
A
and
C
B.
D
C.
A
D.
C
Hint
9.
Given that
is the median of trapezoid
ZYXW
, find the value of
x
.
A.
21
B.
27
C.
15
D.
4
Hint
10.
The circle graph shows the percent of Ms. Jackson's students who earned an ''A'' for each of the four grading periods during a school year. If Ms. Jackson taught 150 total students, how many students earned an ''A'' during the fourth quarter?
A.
27
B.
60
C.
48
D.
15
Hint
11.
Find the volume of the cone. (Round to the nearest tenth.)
A.
29.5 cu. units
B.
75.4 cu. units
C.
38.1 cu. units
D.
15.4 cu. units
Hint
12.
Find 5(-20).
A.
25
B.
-100
C.
-15
D.
100
Hint
13.
Which of the following systems of equations is not consistent and independent?
A.
–
y
– 5
x
= 1 4
y
+ 3
x
= 8
B.
y
+ 4
x
= 10 6
y
+ 24
x
= 60
C.
2
y
+ 4
x
= 3 7
y
+ 5
x
= 18
D.
7
y
+
x
= 9 3
y
+ 9
x
= 4
Hint
14.
is a real number and
and
is a real number and
Which is the graph of
A.
B.
C.
D.
Hint
15.
Using the number line, what is the midpoint of
A.
W
B.
V
C.
U
D.
X
Hint
16.
What would the chart look like after reading the information:
Sue's state does not have an ''x'' in it.
Amy's state is near the west coast.
Sam's state borders a Great Lake.
Sue's state is two words
.
A.
B.
C.
D.
Hint
17.
If
what reason would follow to prove
A.
If a triangle is equilateral then it is equiangular.
B.
CPCTC
C.
Base angles of an isosceles triangle are congruent.
D.
Vertical angles are congruent.
Hint
18.
Complete the section of the indirect proof.
Assume
m
A
=
m
B
and
m
B
=
m
C
.
So, by ____________,
m
A
=
m
C
.
A.
reflexive property
B.
transitive property
C.
CPCTC
D.
angle addition property
Hint
19.
What is the area of the shaded region? Round the answer to the nearest tenth.
A.
172.8 cm
2
B.
182.2 cm
2
C.
31.4 cm
2
D.
201.1 cm
2
Hint
20.
Factor
x
2
+ 8
x
+ 12.
A.
(
x
+ 3)(
x
+ 4)
B.
(
x
- 3)(
x
- 4)
C.
(
x
+ 6)(
x
+ 2)
D.
(
x
- 6)(
x
- 2)
Hint