1.
Simplify |-13| - |5|.
A.
8
B.
-8
C.
-18
D.
18
Hint
2.
Find the sum 17 + |-8|.
A.
-25
B.
-9
C.
25
D.
9
Hint
3.
The ordered pair (1, 4) is in which quadrant?
A.
I
B.
III
C.
IV
D.
II
Hint
4.
What is the sum of -32 and -16?
A.
-16
B.
-48
C.
2
D.
-2
Hint
5.
Solve the equation
a
= (-5) + 13.
A.
18
B.
-18
C.
-8
D.
8
Hint
6.
Evaluate
r
–
s
–
t
if
r
= -5,
s
= -10, and
t
= -15.
A.
20
B.
-30
C.
0
D.
-10
Hint
7.
A submarine started at a depth of 150 feet below sea level and descended 355 feet. What is the new depth of the submarine?
A.
370 feet
B.
205 feet
C.
505 feet
D.
0 feet
Hint
8.
Multiply –9(-7)(-10).
A.
-630
B.
630
C.
160
D.
-26
Hint
9.
Simplify –5
x
(4
y
).
A.
-20
xy
B.
-
xy
C.
20
xy
D.
-9
xy
Hint
10.
Evaluate
xy
÷ 2 if
x
= -10 and
y
= -8.
A.
-9
B.
40
C.
-40
D.
9
Hint
11.
Wesley took five quizzes in his Spanish class, worth 20 points each. Wesley's scores were 18, 15, 20, 20, and 17. Find the mean of his quiz scores.
A.
17
B.
16
C.
18
D.
19
Hint
12.
In which quadrant is the point (7, -5)?
A.
Quadrant I
B.
Quadrant III
C.
Quadrant IV
D.
Quadrant II
Hint