MAT 0002 REVIEW SECTION 2.3 (Adding Integers

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MAT 0002 REVIEW SECTION 2.3 (Adding Integers)
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best
completes the statement or answers the question.
Add the numbers using the number line.
1) 2 + (-3)
A) -1
B) -5
C) 5
B) -1
C) 1
D) 9
3) -1 + 0
A) -10
C) -1
B) 0
D) 1
4) -7 + (-10)
A) -17
C) 17
B) 0
D) -22
14) -220 + (-280)
A) 60
C) -60
B) 500
D) -500
15) -180 + 390
A) -210
C) 210
B) -570
D) 570
16) -90 + 148
A) -58
C) -238
B) 238
D) 58
17) 8.1 + (-5.3)
A) -2.8
C) 2.8
B) -13.4
D) 13.4
18) 5.1 + (-12.1)
A) -17.2
C) -7
B) 7
D) 17.2
D) 1
2) -5 + 4
A) -9
13) -11 + (-11)
A) 22
C) -11
B) -3
D) 3
19) -
5
6
+ ()
8
48
1
16
A) -
5) 1 + (-7)
C) -6
A) -8
Add.
B) 6
C) 8
D) -6
20) -
6) 7 + (-9)
A) 16
C) -2
B) -16
D) 2
7) -9 + 3
A) -6
C) 6
B) 12
D) -12
B) 77
D) -77
9) -92 + 87
A) 5
C) -179
B) 179
D) -5
10) -8 + 0
A) 8
C) 0
B) -8
D) -80
11) -73 + (-29)
A) 102
C) -44
B) 44
D) -102
12) 23 + (-23)
A) 46
C) -23
B) 0
D) 23
1
2
18
7
B)
4
7
C)
18
35
D)
4
35
1
7
+4
8
20
21
40
C) - 7
21
40
B) - 7
D) 7
31
40
31
40
6
8
+ ()
9
72
23) 38
1
D) -
A)
21) -12
22) -
3
4
1 5
+
5 7
A) 7
8) 71 + (-6)
A) 65
C) -65
B) -
A) -
7
9
B) -7
C) -
1
2
D) -
1
18
1
4
+ (-35 )
3
27
A) 3
13
27
B) - 3
5
27
C) 3
5
27
D) - 3
13
27
24) -32
39) A deep-sea diver dives from the surface to 98
feet below the surface. She then dives down 10
more feet. Find the diver's depth.
A) -111; 111 ft. below the surface
B) -108; 108 ft. below the surface
C) -86; 86 ft. below the surface
D) -88; 88 ft. below the surface
1
1
+ (-34 )
3
30
A) - 66
C) 66
3
10
B) - 66
3
10
D) 66
25) 11 + (-8) + (-18)
A) 21
C) -15
B) 37
D) 1
26) 3 + 5 + (-4)
A) 12
C) -6
B) 2
27) -17 + 17 + (-25)
A) 9
C) -25
11
30
11
30
40) A deep-sea diver dives from the surface to
131 feet below the surface and then swims up
8 feet, down 18 feet, down another 28 feet, and
then up 23 feet. Find the diver's depth after
these movements.
A) -54; 54 ft below the surface
B) -90; 90 ft below the surface
C) -162; 162 ft below the surface
D) -146; 146 ft below the surface
D) 4
B) 25
D) 59
28) -20 + (-2) + (-17) + (-8)
A) -3
C) -47
41) The temperature at 4 p.m. on January 1 was
-7° Fahrenheit. By 11 p.m. the temperature
had risen 10 degrees. Find the temperature at
11 p.m.
A) 17°F
B) -17°F
C) -3°F
D) 3°F
B) 27
D) -7
29) -6 + (-17) + (-7) + (-13) + 5 + (-3)
A) -41
B) -15
C) -51
D) -5
30) 15 + (-21) + 25 + (-22)
A) -53
C) -9
42) Scores in golf can be positive or negative
integers. For example, a score of 5 over par
can be represented by +5 and a score of 4
under par can be represented by -4. If Donna
had scores of 1 over par, 4 under par, and 3
under par for three games of golf, what was
her total score?
A) 8 over par
B) 6 over par
C) 8 under par
D) 6 under par
B) 83
D) -3
31) -19 + (-11) + (-7) + (-18) + 1 + (-11)
A) -67
B) -13
C) -65
D) -7
43) The difference between a country's exports
and imports is called the country's trade
balance. If one country had a trade balance of
-$91 billion in 1991, $102 billion in 1998, and
-$33 billion in 1993. What was the total trade
balance for these years?
A) -226 billion dollars
B) 226 billion dollars
C) 22 billion dollars
D) -22 billion dollars
32) 2 + (-6) + 2 + (-10) + 18 + (-6)
A) -44
B) -4
C) 8
D) 0
Evaluate the expression for the given replacement values.
33) x + y
for x = -65, y = 69
A) 4
B) -134
C) 134
D) -4
34) x + y + z
A) 12
C) -12
Solve.
for x = -16 , y = 11, z = -7
B) -20
D) 34
Solve the problem.
44) The stock market gained 59 points on Tuesday
and lost 44 points on Wednesday. It had
closed on Monday at 2748 points. Where did
the market close on Wednesday?
A) 2763 points
B) 2733 points
C) 2645 points
D) 2851 points
35) Find the sum of -15 and 82.
A) 67
B) 97
C) -67
D) -97
36) Find the sum of -10 and 70.
A) 60
B) -80
C) -60
D) 80
37) Find the sum of -11, -7, and 9.
A) -9
B) 13
C) 5
D) 27
38) Find the sum of -7, -22, and 9.
A) 38
B) -6
C) 24
D) -20
2
Solve.
Solve the problem.
53) Annica owes $650.01 on her charge card. She
returns for credit items costing $20.24 and
$16.03. She makes a purchase for $22.55 and
additional purchases of $39.46, $135.01, and
$176.38. She then makes a payment of
$533.47. Find the amount she now owes.
A) $453.67
B) $773.81
C) $526.21
D) $846.35
45) Herbert, an African elephant living in a zoo,
had been sick and lost a lot of weight. He was
down to 9291 pounds. The zoo made a special
effort to get food into him. The first month of
this effort he gained 128 pounds, the second
month he gained another 100 pounds, the
third month he had a setback and lost 20
pounds, and the fourth month he gained 121
pounds. What was Herbert's total weight gain
or loss in these four months?
A) gain of 329 pounds
B) gain of 384 pounds
C) 9620 pounds
D) gain of 369 pounds
Determine whether the statement is true or false.
54) The sum of zero and a negative number is
always a positive number.
A) True
B) False
46) Meredith got a monthly cable bill for a base
rate of $18.50 , an additional $5.10 for a
package of movie channels, a charge of $2.36
for taxes, and a credit of $16.60 to make up for
a billing error the previous month. How much
was the cable bill?
A) $9.36
B) $42.56
C) $45.56
D) $7.36
The bar graph below shows the yearly net income for
Widgets, LTD.
47) What was the net income (in dollars) for
Widgets, LTD in 2000?
A) -$256,000
B) $256
C) -$256
D) $256,000
48) Find the total net income for years
1999 and 2000.
A) $580,000
B) $68
C) -$68
D) -$580,000
49) Find the total net income for all years shown.
A) $258,000
B) $109,000
C) $447,000
D) -$40,000
Determine whether the statement is true or false.
50) The sum of two negative numbers is always a
negative number.
A) True
B) False
51) The sum of a positive number and a negative
number is always a positive number.
A) True
B) False
52) The sum of zero and a negative number is
always a negative number.
A) True
B) False
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