# Developmental Mathematics for College Students 2nd edition

Alan S. Tussy and R. David Gustafson
Publisher: Cengage Learning

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• Chapter 1: Whole Numbers
• 1.1 An introduction to the whole numbers (23)
• 1.2 Adding and subtracting whole numbers (28)
• 1.3 Multiplying and dividing whole numbers (18)
• 1.4 Prime factors and exponents (24)
• 1.5 Order of operations (23)
• 1.6 Solving equations by addition and subtraction (15)
• 1.7 Solving equations by division and multiplication (15)
• Review (15)
• Test (13)

• Chapter 2: The Integers
• 2.1 An introduction to the integers (21)
• 2.3 Subtracting integers (24)
• 2.4 Multiplying integers (24)
• 2.5 Dividing integers (23)
• 2.6 Order of operations and estimation (25)
• 2.7 Solving equations involving integers (16)
• Cumulative Chapter Review (15)
• Review (20)
• Test (20)

• Chapter 3: Fractions and Mixed Numbers
• 3.1 The fundamental property of fractions (23)
• 3.2 Multiplying fractions (19)
• 3.3 Dividing fractions (19)
• 3.4 Adding and subtracting fractions (19)
• 3.5 Multiplying and dividing mixed numbers (24)
• 3.6 Adding and subtracting mixed numbers (23)
• 3.7 Order of operations and complex fractions (20)
• 3.8 Solving equations containing fractions (18)
• Cumulative Chapter Review (17)
• Review (19)
• Test (16)

• Chapter 4: Decimals
• 4.1 An introduction to decimals (24)
• 4.2 Adding and subtracting decimals (25)
• 4.3 Multiplying decimals (22)
• 4.4 Dividing decimals (21)
• 4.5 Fractions and decimals (23)
• 4.6 Solving equations containing decimals (16)
• 4.7 Square roots (24)
• Cumulative Chapter Review (17)
• Review (19)
• Test (18)

• Chapter 5: Percent
• 5.1 Percents, decimals, and fractions (24)
• 5.2 Solving percent problems (24)
• 5.3 Solving percent problems using proportions (20)
• 5.4 Applications of percent (21)
• 5.5 Interest
• Cumulative Chapter Review (14)
• Review (20)
• Test (20)

• Chapter 6: Descriptive statistics
• 6.1 Reading graphs and tables (27)
• 6.2 Mean, median, mode (24)
• Cumulative Chapter Review (15)
• Review (9)
• Test (10)

• Chapter 7: Introduction to Geometry
• 7.1 Some basic definitions (22)
• 7.2 Parallel and perpendicular lines (19)
• 7.3 Polygons (24)
• 7.4 Properties of Triangles (18)
• 7.5 Perimeters and areas of polygons (22)
• 7.6 Circles (23)
• 7.7 Surface area and volume (23)
• Cumulative Chapter Review (9)
• Review (20)
• Test (19)

• Chapter 8: Algebraic Expressions, Equations, and Inequalities
• 8.1 Algebraic expressions (25)
• 8.2 Simplifying algebraic expressions (24)
• 8.3 Solving equations (25)
• 8.4 Formulas (25)
• 8.5 Problem Solving (24)
• 8.6 Inequalities (25)
• Cumulative Chapter Review (20)
• Review (14)
• Test (15)

• Chapter 9: Graphs, Linear Equations, and Functions
• 9.1 Graphing using the rectangular coordinate system (22)
• 9.2 Equations containing two variables (25)
• 9.3 Graphing linear equations (25)
• 9.4 Rate of change and the slope of a line (30)
• 9.5 Slope-Intercept form (25)
• 9.6 Point-Slope form; Writing linear equations (25)
• 9.7 Functions (25)
• Cumulative Chapter Review (20)
• Review (20)
• Test (20)

• Chapter 10: Exponents and polynomials
• 10.1 Natural-number exponents (25)
• 10.2 Zero and negative integer exponents (25)
• 10.3 Scientific notation (25)
• 10.4 Polynomials (24)
• 10.5 Adding and subtracting polynomials (25)
• 10.6 Multiplying polynomials (25)
• 10.7 Dividing polynomials by monomials (25)
• 10.8 Dividing polynomials by polynomials (25)
• Cumulative Chapter Review (18)
• Review (20)
• Test (20)

• Chapter 11: Factoring and Quadratic Equations
• 11.1 Factoring out the greatest common factor and factoring by grouping (25)
• 11.2 Factoring trinomials of the form x2 + bx + c (25)
• 11.3 Factoring trinomials of the form ax2 + bx + c (24)
• 11.4 Special factorizations and a factoring strategy (28)
• Cumulative Chapter Review (20)
• Review (20)
• Test (20)

• Chapter 12: Rational Expressions and Equations
• 12.1 Simplifying rational expressions (25)
• 12.2 Multiplying and dividing rational expressions (26)
• 12.3 Adding and subtracting rational expressions (25)
• 12.4 Complex fractions (25)
• 12.5 Rational equations and problem solving (26)
• 12.6 Proportions and similar triangles (26)
• 12.7 Variation (22)
• Cumulative Chapter Review (20)
• Review (20)
• Test (20)

• Chapter 13: Solving Systems of Equations and Inequalities
• 13.1 Solving systems of equations by graphing (25)
• 13.2 Solving systems of equations by substitution (25)
• 13.3 Solving Systems of equations by addition (25)
• 13.4 Applications of systems of equations (25)
• 13.5 Graphing linear inequalities (21)
• 13.6 Solving systems of linear inequalities (24)
• Cumulative Chapter Review (20)
• Review (20)
• Test (18)

• Chapter 14: Roots and Radicals
• 14.1 Square roots (25)
• 14.2 Higher-order roots; Radicands that contain variables (25)
• 14.3 Simplifying radical expressions (25)
• 14.5 Multiplying and dividing radical expressions (27)
• 14.6 Solving radical equations; the distance formula (25)
• 14.7 Rational exponents (25)
• Cumulative Chapter Review (20)
• Review (20)
• Test (20)

• 15.1 Complete the square (24)
• 15.2 The quadratic formula (25)
• 15.3 Graphing quadratic functions (25)
• Cumulative Chapter Review (23)
• Review (20)
• Test (11)

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Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

##### Question Group Key
C - Cumulative Chapter Review
R - Review
T - Test

##### Question Availability Color Key
BLACK questions are available now
GRAY questions are under development

Group Quantity Questions
Chapter 1: Whole Numbers
1.R 15 006 010 015 022 025 032 036 047 051 062 070 080 082 088 092
1.T 13 002 004 010 012 013 015 016 017 018 019 025 027 028
1.1 23 E02 E03 E05 004 008 026 032 034 038 040 044 050 052 056 062 064 066 068 069 070 071 072 076
1.2 28 E04 E07 E08 021 022 024 030 032 034 036 040 044 050 054 062 066 070 076 080 081 082 083 084 088 090 092 098 099
1.3 18 E05 E06 011 017 032 048 054 070 074 076 078 079 081 082 086 090 096 100
1.4 24 E02 E04 E09 004 016 044 052 054 058 060 064 066 070 074 078 080 082 084 089 090 091 092 095 100
1.5 23 E01 E05 E08 004 010 012 018 026 030 034 036 044 064 073 082 084 086 088 089 090 092 094 098
1.6 15 006 008 012 016 026 036 046 056 066 078 080 084 086 088 094
1.7 15 002 004 008 012 018 030 036 044 048 052 054 058 060 064 066
Chapter 2: The Integers
2.C 15 006 008 010 012 014 016 018 020 028 030 032 034 038 042 054
2.R 20 004 012 020 026 034 036 040 044 046 050 052 058 064 070 076 080 082 090 094 100
2.T 20 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 032 034
2.1 21 E01 E02 E05 004 024 026 036 044 048 058 062 066 072 074 078 080 081 083 084 086 093
2.2 23 E02 E06 E08 002 008 014 020 022 028 034 042 050 060 072 074 086 087 090 092 094 096 098 106
2.3 24 E02 E03 E05 002 016 018 022 032 042 044 046 054 064 070 077 078 079 080 082 084 086 090 092 098
2.4 24 E01 E03 E05 002 008 020 024 030 036 040 050 054 062 070 087 088 089 090 091 092 093 094 096 104
2.5 23 E01 E02 E04 006 010 014 016 020 024 030 038 042 044 056 058 059 060 061 062 063 064 068 074
2.6 25 E01 E07 E08 E11 004 010 012 018 020 024 028 034 042 046 048 054 058 066 074 092 093 094 096 098 102
2.7 16 002 006 010 016 024 028 036 046 056 072 092 094 096 098 104 108
Chapter 3: Fractions and Mixed Numbers
3.C 17 002 003 004 006 007 008 009 010 012 014 016 018 032 034 035 036 038
3.R 19 008 010 014 020 022 032 044 046 048 056 058 066 070 074 078 080 086 088 090
3.T 16 002 004 007 009 010 011 013 014 015 016 017 018 019 020 027 029
3.1 23 E01 E03 E05 004 018 020 024 030 040 050 060 070 076 080 082 084 086 088 089 090 093 094 096
3.2 19 E01 E04 E07 012 016 036 060 064 066 070 072 074 076 078 079 080 081 082 086
3.3 19 E01 E02 E06 002 008 012 018 024 028 032 038 046 047 048 050 051 052 053 054
3.4 19 E04 E07 002 010 018 024 030 038 050 058 060 078 080 082 083 084 085 086 090
3.5 24 E01 E03 E06 002 008 016 022 028 032 042 046 054 062 066 070 072 074 076 078 079 080 082 084 090
3.6 23 E02 E06 E07 002 008 014 020 026 032 042 048 058 062 068 070 072 073 074 076 078 079 080 084
3.7 20 E03 E04 E05 002 012 016 020 030 034 036 046 056 057 058 062 063 064 065 066 068
3.8 18 E02 E05 002 006 012 016 020 024 030 038 044 048 060 062 070 072 074 076
Chapter 4: Decimals
4.C 17 001 003 004 005 006 009 012 016 020 026 028 031 033 036 038 044 045
4.R 19 004 009 010 020 024 028 030 034 038 040 044 050 054 058 068 072 078 090 102
4.T 18 001 004 005 006 007 008 012 013 014 015 016 019 023 024 025 027 029 033
4.1 24 E01 E02 E04 E06 002 010 016 022 026 032 036 038 044 050 052 054 056 060 061 062 064 065 066 068
4.2 25 E05 E06 E07 E08 002 003 005 010 016 022 026 030 038 040 048 056 058 060 062 064 066 067 068 076 082
4.3 22 E06 E08 E09 002 004 008 018 024 028 034 042 050 060 068 070 072 074 076 078 083 084 094
4.4 21 E01 E02 E03 E06 004 008 020 030 042 044 050 058 064 066 068 070 071 072 074 076 078
4.5 23 E04 E06 E08 E09 002 008 012 020 028 042 046 048 054 078 093 094 095 096 097 098 099 100 104
4.6 16 E01 E02 E04 E05 004 008 010 018 022 032 036 042 044 046 048 050
4.7 24 E01 E02 E04 E05 002 008 024 026 032 036 038 040 044 048 052 053 058 071 072 073 074 075 076 078
Chapter 5: Percent
5.C 14 004 005 006 008 011 013 016 018 022 024 026 030 032 036
5.R 20 004 006 008 014 022 026 028 034 036 037 040 041 042 044 046 047 048 050 051 052
5.T 20 001 004 005 008 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 026
5.1 24 E02 E03 E04 E09 002 004 008 010 024 030 036 042 046 056 060 070 072 074 076 080 082 084 086 090
5.2 24 E01 E02 E04 E08 002 006 008 022 026 028 030 032 036 038 040 042 044 046 048 050 052 054 056 062
5.3 20 002 006 008 010 012 014 016 020 022 024 026 028 032 034 036 038 040 042 044 048
5.4 21 004 010 014 016 017 018 020 021 022 025 026 027 028 029 030 031 032 033 034 038 040
Chapter 6: Descriptive statistics
6.C 15 002 008 010 014 016 020 022 028 030 032 034 036 038 042 044
6.R 9 003 005 006 011 012 014 015 016 018
6.T 10 002 004 006 008 010 012 014 016 018 020
6.1 27 E03 E04 E05 E06 004 012 014 016 020 024 026 028 030 032 034 036 038 040 042 044 046 048 050 052 054 070 078
6.2 24 E01 E02 E03 E05 004 006 008 010 012 014 016 018 020 022 026 028 032 034 036 038 042 050 052 058
Chapter 7: Introduction to Geometry
7.C 9 004 010 031 033 052 056 059 070 078
7.R 20 006 012 014 022 030 034 038 040 052 056 060 069 071 074 078 084 094 096 102 108
7.T 19 002 004 006 008 010 012 014 016 017 018 020 022 024 026 027 028 030 032 034
7.1 22 E01 E02 E05 006 012 014 016 022 028 036 042 044 052 058 064 068 072 078 084 086 094 100
7.2 19 E02 E03 002 004 006 008 010 012 014 018 020 022 024 026 028 032 038 040 042
7.3 24 E04 E07 E08 E10 004 008 012 016 020 022 028 032 036 040 042 044 048 054 058 062 072 076 078 082
7.4 18 E02 E03 E04 002 006 008 010 018 020 022 026 028 032 034 038 040 042 046
7.5 22 E02 E04 E11 E13 002 006 016 022 024 026 028 032 034 040 042 046 050 054 058 064 068 070
7.6 23 E01 E02 E03 E04 002 006 010 012 016 022 024 026 030 032 034 038 040 044 048 052 056 058 066
7.7 23 E03 E05 E07 E09 004 010 012 016 020 022 024 030 032 034 036 038 040 042 044 050 052 056 060
Chapter 8: Algebraic Expressions, Equations, and Inequalities
8.C 20 002 004 008 009 010 024 026 028 032 035 036 040 042 045 046 048 050 052 054 056
8.R 14 032 034 036 038 040 042 052 053 054 064 068 072 076 080
8.T 15 008 010 012 014 016 017 018 019 020 021 022 023 024 025 026
8.1 25 E02 E07 E10 E13 004 008 014 018 024 030 038 050 068 072 074 083 084 085 086 087 088 089 090 094 102
8.2 24 E03 E04 E06 E11 006 012 026 032 038 042 048 050 056 070 074 094 096 098 099 100 101 102 106 108
8.3 25 E03 E06 E07 E08 002 010 018 022 034 038 040 044 046 050 054 058 060 064 072 080 082 084 086 092 102
8.4 25 E03 E05 E06 E10 004 016 020 022 024 026 028 030 032 042 058 062 066 070 072 074 076 078 080 086 088
8.5 24 E03 E04 E05 E07 002 006 020 022 024 028 030 032 034 036 042 044 046 048 050 052 054 058 065 070
8.6 25 E07 E08 E11 E12 002 006 018 036 042 054 060 074 076 080 082 091 092 093 095 096 097 098 102 104 106
Chapter 9: Graphs, Linear Equations, and Functions
9.C 20 002 004 006 008 010 012 014 016 018 020 022 024 026 028 030 032 034 036 038 040
9.R 20 003 004 005 007 008 009 016 017 019 023 024 025 027 029 031 035 036 037 047 050
9.T 20 001 002 003 004 007 008 009 010 013 014 015 016 017 018 019 020 021 022 024 025
9.1 22 E01 E02 E03 E04 004 007 008 011 012 013 014 026 036 037 038 039 040 041 042 044 048 050
9.2 25 E03 E04 E05 E06 002 008 016 022 024 030 032 034 036 038 040 041 042 043 044 045 046 047 048 052 062
9.3 25 E02 E04 E05 E08 006 014 024 026 030 032 034 038 040 042 046 048 052 056 058 063 064 065 066 070 076
9.4 30 E01 E03 E06 E07 002 004 010 012 017 018 020 022 026 028 030 032 034 042 057 058 059 060 061 062 063 064 066 068 070 074
9.5 25 E02 E04 E05 E06 004 014 018 024 026 030 034 036 042 046 050 051 052 053 054 055 056 057 058 061 066
9.6 25 E01 E02 E03 E04 001 008 016 018 020 024 030 034 040 044 046 048 049 051 052 053 054 055 056 060 066
9.7 25 E01 E02 E03 E04 002 008 012 016 020 032 034 038 042 044 046 048 050 059 060 061 062 063 064 065 070
Chapter 10: Exponents and polynomials
10.C 18 004 014 016 018 028 030 033 034 035 039 046 050 052 056 062 064 066 068
10.R 20 006 010 020 022 028 032 047 048 054 056 067 070 071 086 091 092 106 109 112 117
10.T 20 002 003 004 005 006 009 010 011 012 014 015 016 017 019 021 022 023 024 025 030
10.1 25 E03 E06 E07 E09 002 010 026 032 034 036 038 048 058 062 066 078 108 113 114 115 116 117 118 122 126
10.2 25 E01 E03 E05 E07 004 008 018 020 026 036 038 042 052 054 056 078 080 088 092 093 094 095 096 098 102
10.3 25 E04 E05 E06 E07 002 016 018 022 026 028 030 036 038 040 042 062 063 064 065 066 068 069 070 074 076
10.4 24 E01 E03 E04 E05 010 040 044 048 056 056combo 066 066combo 072 072combo 075 076 077 078 079 080 081 082 084 088
10.5 25 E05 E07 E08 E09 002 014 016 038 042 044 046 066 068 070 074 077 078 079 080 081 082 087 088 090 094
10.6 25 E01 E04 E06 E08 004 010 012 044 058 074 078 080 084 094 098 099 100 103 104 105 106 107 109 112 116
10.7 25 E02 E04 E05 E06 004 010 014 030 034 050 054 060 062 064 072 073 074 075 076 077 078 079 080 082 088
10.8 25 E01 E02 E03 E04 002 013 014 020 022 024 026 028 030 032 034 036 038 040 052 061 062 063 064 066 068
Chapter 11: Factoring and Quadratic Equations
11.C 20 002 003 004 006 009 012 013 014 017 019 022 024 027 028 030 036 040 046 048 054
11.R 20 002 010 012 018 021 026 028 032 034 036 038 039 040 046 052 056 060 066 068 070
11.T 20 002 003 005 006 007 008 009 010 012 013 015 016 017 019 020 021 022 024 027 028
11.1 25 E02 E06 E09 E13 006 016 018 024 030 038 042 048 058 070 072 074 094 096 098 099 100 101 102 106 108
11.2 25 E05 E07 E08 E09 004 012 022 030 034 036 038 040 042 046 048 050 052 054 076 078 084 085 086 092 094
11.3 24 E02 E05 E06 E07 004 014 018 028 030 034 036 038 042 046 048 050 054 066 070 078 080 083 084 088
11.4 28 E03 E04 E07 E10 002 012 020 026 028 030 032 034 036 040 046 048 056 068 076 078 088 090 101 102 103 104 106 110
11.5 26 E02 E06 E08 E09 002 006 014 020 022 032 036 042 044 046 050 052 074 076 080 081 086 088 092 094 096 100
Chapter 12: Rational Expressions and Equations
12.C 20 002 004 016 018 020 022 024 026 030 032 034 038 040 042 046 050 054 056 060 062
12.R 20 008 012 016 018 020 024 028 036 038 040 042 050 052 054 056 062 063 064 066 067
12.T 20 001 003 004 009 011 012 013 014 015 016 017 018 020 022 023 024 025 026 027 028
12.1 25 E05 E06 E07 E09 004 008 014 018 020 022 024 026 028 032 034 088 090 092 094 095 096 097 098 102 106
12.2 26 E06 E08 E09 E11 002 008 010 014 018 022 027 030 032 046 048 068 072 076 082 084 090 092 097 098 100 106
12.3 25 E06 E10 E11 E13 002 004 006 008 012 014 016 022 026 040 042 044 048 052 054 057 058 097 098 100 104
12.4 25 E01 E03 E04 E05 002 004 006 012 014 016 022 026 030 032 034 040 044 046 048 051 052 053 054 056 060
12.5 26 E05 E06 E07 E08 004 010 016 044 050 052 056 062 064 068 070 072 076 077 078 082 084 088 090 092 094 098
12.6 26 E02 E03 E04 E06 E07 004 012 014 026 028 030 032 036 040 042 046 050 056 058 060 067 068 070 072 074 078
12.7 22 E01 E02 002 020 022 024 026 027 028 029 030 032 034 036 038 040 042 043 044 045 049 054
Chapter 13: Solving Systems of Equations and Inequalities
13.C 20 006 008 010 014 016 018 019 020 022 024 028 036 038 040 042 044 046 048 050 052
13.R 20 001 004 005 008 010 014 015 018 020 025 026 027 030 032 038 040 042 044 045 046
13.T 18 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018
13.1 25 E01 E02 E03 E04 004 016 020 022 023 024 026 034 036 038 044 046 048 057 058 059 060 061 062 064 068
13.2 25 E02 E04 E05 E06 004 008 016 018 020 022 024 026 028 034 036 042 044 046 052 053 054 055 056 060 068
13.3 25 E04 E05 E06 E07 002 008 012 014 016 018 020 022 024 026 028 030 036 040 042 044 050 051 052 054 062
13.4 25 E02 E05 E06 E07 002 006 012 017 018 019 020 022 024 026 028 030 032 034 036 038 040 042 044 048 054
13.5 21 E03 E05 E06 E07 002 010 018 020 024 026 028 032 042 047 048 049 050 051 052 054 062
13.6 24 E01 E03 E04 E05 004 010 014 018 020 024 026 030 032 034 035 036 037 038 039 040 041 042 044 048
14.C 20 032 034 046 048 050 054 056 059 060 061 062 064 065 066 068 071 072 073 075 076
14.R 20 002 020 021 024 040 043 050 052 056 060 064 066 072 076 078 090 092 096 100 106
14.T 20 002 003 005 006 008 010 012 013 014 016 018 019 021 022 023 024 026 027 033 034
14.1 25 E02 E04 E05 E06 004 012 020 026 028 032 038 062 064 068 070 074 076 078 080 082 084 086 088 092 096
14.2 25 E03 E04 E05 E06 004 006 014 024 026 028 030 040 042 044 050 058 062 083 084 085 086 087 088 090 096
14.3 25 E06 E07 E08 E10 002 006 010 022 024 026 032 042 044 048 050 054 082 086 088 097 098 099 100 102 106
14.4 25 E02 E03 E07 E08 002 014 016 018 024 026 028 030 032 034 042 046 056 081 082 083 084 085 086 088 090
14.5 27 E03 E05 E07 E08 004 012 018 020 024 026 030 032 036 038 040 044 050 054 058 105 106 107 108 109 110 112 118
14.6 25 E03 E04 E06 E08 004 008 016 020 024 028 036 040 062 064 066 079 080 081 083 084 086 087 088 090 096
14.7 25 E01 E02 E04 E06 002 004 020 026 028 036 038 044 050 052 054 070 076 089 090 091 092 093 094 096 098