1.
Simplify (-3
a
5
b
3
)
4
.
A.
-12
a
20
b
12
B.
81
a
20
b
12
C.
-12
a
9
b
7
D.
-81
a
9
b
12
Hint
2.
Find the quotient
A.
18
B.
2
C.
-2
D.
Hint
3.
Which statement is true?
A.
Any two equilateral triangles are similar.
B.
Any two right triangles are similar.
C.
Any two isosceles triangles are similar.
D.
Any two triangles are similar.
Hint
4.
An exterior angle of a regular polygon has a measure of 30. Find the sum of the measures of the interior angles.
A.
1800
B.
2520
C.
2160
D.
2880
Hint
5.
An expression for the area of a rectangle is
xy
– 2
x
+ 3
y
– 6. Express this area in factored form.
A.
(
x
– 2)(
y
+ 3)
B.
(
xy
– 2
x
)( 3
y
– 6)
C.
(
x
+ 3)(
y
– 2)
D.
x
(
y
– 2) + 3(
y
– 2)
Hint
6.
Factor 7
xy
2
- 28
x
3
A.
(7
xy
+
x
)(
y
– 28
x
2
)
B.
7
x
(
y
+ 2
x
)(
y
- 2
x
)
C.
prime
D.
7
x
2
y
2
(1 +
x
)
Hint
7.
Which description corresponds to the boundary below?
A.
all points in a plane that are 4 units from a given point in that plane
B.
all lines in a plane parallel to a given line in that plane
C.
all points in a plane that are 4 units from a given segment in that plane
D.
all points in space that are 4 units from a given point
Hint
8.
Two polygons are
similar
if ___________.
A.
they are the same size but possibly different shapes
B.
they are not congruent
C.
they are the same shape but possibly different sizes
D.
they are the same size and same shape
Hint
9.
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 first quarter?
A.
48
B.
27
C.
60
D.
15
Hint
10.
Solve
by using the quadratic formula.
A.
B.
C.
D.
Hint
11.
Write the equation
in standard form.
A.
B.
C.
D.
Hint
12.
Which measure of variation does not depend on the mean?
A.
variance
B.
range
C.
mode
D.
standard deviation
Hint
13.
Which of the values is a solution to the equation 2
x
+ 7 = 37?
A.
5
B.
-10
C.
15
D.
3
Hint
14.
Solve
A.
12
B.
–25
C.
–1
D.
–12
Hint
15.
Solve
A.
B.
C.
28
D.
21
Hint
16.
Solve
A.
B.
C.
D.
Hint
17.
Using the number line, what is the midpoint of
A.
X
B.
W
C.
U
D.
V
Hint
18.
Which pair of angles are alternate interior angles?
A.
B.
C.
D.
Hint
19.
A scale drawing of a room has a scale of 1 inch = 2.5 feet. How long is a wall that is 7 inches?
A.
0.36 ft
B.
17.5 ft
C.
175 ft
D.
2.8 ft
Hint
20.
Find the vertex of
y
= -2
x
2
+ 4
x
- 3.
A.
(-1, -1)
B.
(-2, -1)
C.
(1, -2)
D.
(1, -1)
Hint