Topics in Contemporary Mathematics 9th edition

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Ignacio Bello, Jack R. Britton, and Anton Kaul
Publisher: Cengage Learning

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  • Chapter 1: Problem Solving
    • 1.1: Inductive Reasoning (17)
    • 1.2: Estimation: A Problem-Solving Tool (17)
    • 1.3: Graph Interpretation: A Problem-Solving Tool (16)

  • Chapter 2: Sets
    • 2.1: Sets: A Problem-Solving Tool (17)
    • 2.2: Set Operations (17)
    • 2.3: Venn Diagrams (15)
    • 2.4: The Number of Elements in a Set: A Problem-Solving Tool (16)
    • 2.5: Infinite Sets (15)

  • Chapter 3: Logic
    • 3.1: Statements (16)
    • 3.2: Truth Tables: A Problem-Solving Tool (17)
    • 3.3: The Conditional and the Biconditional (15)
    • 3.4: Variations of the Conditional and Implications (14)
    • 3.5: Euler Diagrams: A Problem-Solving Tool (15)
    • 3.6: Truth Tables and Validity of Arguments (17)
    • 3.7: Switching Networks: A Problem-Solving Tool

  • Chapter 4: Numeration Systems
    • 4.1: Egyptian, Babylonian, and Roman Numeration Systems (13)
    • 4.2: The Hindu-Arabic (Decimal) System (15)
    • 4.3: Number Systems with Bases Other Than 10 (15)
    • 4.4: Binary Arithmetic (15)
    • 4.5: Octal and Hexadecimal Arithmetic (14)

  • Chapter 5: Number Theory and the Real Numbers
    • 5.1: Number Theory: Primes and Composites (17)
    • 5.2: Whole Numbers, Integers, and Order of Operations (17)
    • 5.3: The Rational Numbers (17)
    • 5.4: Decimals, Scientific Notation, and Significant Digits (18)
    • 5.5: Rationals as Decimals: Percents (17)
    • 5.6: Real Numbers, Square Roots, and Decimal Representation (17)
    • 5.7: Radicals (17)
    • 5.8: Number Sequences (18)

  • Chapter 6: Equations, Inequalities, and Problem Solving
    • 6.1: Solutions of First-Degree Sentences (17)
    • 6.2: Graphs of Algebraic Sentences (17)
    • 6.3: Sentences Involving Absolute Values (17)
    • 6.4: Quadratic Equations (17)
    • 6.5: Modeling and Problem Solving (17)
    • 6.6: Ratio, Proportion, and Variation (18)

  • Chapter 7: Functions and Graphs
    • 7.1: Graphing Relations and Functions (17)
    • 7.2: Linear Functions, Relations, and Applications (15)
    • 7.3: Slopes and Equations of a Line (17)
    • 7.4: Quadratic Functions and Their Graphs (16)
    • 7.5: Exponential and Logarithmic Functions (16)
    • 7.6: Two Linear Equation in Two Variables (15)
    • 7.7: Linear Inequalities (17)
    • 7.8: Linear Programming

  • Chapter 8: Geometry
    • 8.1: Points, Lines, Planes, and Angles (15)
    • 8.2: Triangles and Other Polygons (16)
    • 8.3: Perimeter and Circumference (17)
    • 8.4: Area Measure and the Pythagorean Theorem (17)
    • 8.5: Volume and Surface Area (17)
    • 8.6: Networks, Non-Euclidean Geometry, and Topology (14)
    • 8.7: Right Triangle Trigonometry
    • 8.8: Chaos and Fractals

  • Chapter 9: Mathematical Systems and Matrices
    • 9.1: Matrix Operations (16)
    • 9.2: Solving Systems of Linear Equations with Matrices (16)
    • 9.3: Clock and Modular Arithmetic (18)
    • 9.4: Abstract Mathematical Systems: Groups and Fields (16)
    • 9.5: Game Theory (13)

  • Chapter 10: Counting Techniques
    • 10.1: The Sequential Counting Principle (SCP): A Problem-Solving Tool (16)
    • 10.2: Permutations (16)
    • 10.3: Combinations (16)
    • 10.4: Miscellaneous Counting Methods (15)

  • Chapter 11: Probability
    • 11.1: Sample Spaces and Probability (16)
    • 11.2: Counting Techniques and Probability (16)
    • 11.3: Computation of Probabilities (17)
    • 11.4: Conditional Probability (16)
    • 11.5: Independent Events (16)
    • 11.6: Odds and Mathematical Expectation (17)

  • Chapter 12: Statistics
    • 12.1: Sampling and Frequency Distributions (14)
    • 12.2: Measures of Central Tendency: The Mean, Median, and Mode (16)
    • 12.3: Measures of Dispersion: The Range and Standard Deviation (15)
    • 12.4: The Normal Distribution: A Problem-Solving Tool (16)
    • 12.5: Statistical Graphs: A Problem-Solving Tool (14)
    • 12.6: Making Predictions: Linear Regression (16)
    • 12.7: Scattergrams and Correlation (14)

  • Chapter 13: Your Money and Your Math
    • 13.1: Interest, Taxes, and Discounts (15)
    • 13.2: Credit Cards and Consumer Credit (14)
    • 13.3: Annual Percentage Rate (APR) and the Rule of 78 (14)
    • 13.4: Buying a House (14)
    • 13.5: Investing in Stocks, Bonds, and Mutual Funds (14)

  • Chapter 14: Voting and Apportionment
    • 14.1: Voting Systems
    • 14.2: Voting Objections
    • 14.3: Apportionment Methods
    • 14.4: Apportionment Objections

  • Chapter 15: Graph Theory
    • 15.1: Introduction to Graph Theory
    • 15.2: Euler Paths and Euler Circuits
    • 15.3: Hamilton Paths and Hamilton Circuits
    • 15.4: Trees

Questions Available within WebAssign

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
SBS - Step by Step Question


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


Group Quantity Questions
Chapter 1: Problem Solving
1.1 17 011.SBS 012 013 015 017.MI 017.MI.SA 019 021 025 026 029 035 036.MI 036.MI.SA 037 039.MI 039.MI.SA
1.2 17 001.SBS 002.MI 002.MI.SA 003 005 007 008.MI 008.MI.SA 013 017 023 025.MI 025.MI.SA 031 035 046 047
1.3 16 001.SBS 005 006 007 009 011 012.MI 012.MI.SA 013 015 017 025 029 031 032.MI 032.MI.SA
Chapter 2: Sets
2.1 17 001 003 007 009.MI 009.MI.SA 017 019.SBS 027 032.MI 032.MI.SA 039 045 058 061.MI 061.MI.SA 064 067
2.2 17 001 003 007.SBS 013 014 017.MI 017.MI.SA 021 022 027 028 035 045 051.MI 051.MI.SA 061.MI 061.MI.SA
2.3 15 001 007 009 012 013 016 021 031.SBS 035.MI 035.MI.SA 037 041 043 045 047
2.4 16 001.SBS 003.MI 003.MI.SA 005 007 012 013 016.MI 016.MI.SA 017 019 020 023.MI 023.MI.SA 025 028
2.5 15 003.SBS 006 009 011 013 015.MI 015.MI.SA 017 019 020.MI 020.MI.SA 021 022.MI 022.MI.SA 023
Chapter 3: Logic
3.1 16 001 007.MI 007.MI.SA 009 011 013 017 019 020 025 031 033 037.MI 037.MI.SA 047 053.SBS
3.2 17 001 007 009 010.MI 010.MI.SA 013 014 017 020 023.MI 023.MI.SA 031 035 047.SBS 055 060.MI 060.MI.SA
3.3 15 003.SBS 006 007 009.MI 009.MI.SA 013 021 027 029 033 037 043 051 054 055
3.4 14 001 005 009 013 017 020 025 027 030 033 039 045.SBS 051 054
3.5 15 005.SBS 007 014.MI 014.MI.SA 015 019 021 025 031.MI 031.MI.SA 034 035 037.MI 037.MI.SA 038
3.6 17 003.SBS 004.MI 004.MI.SA 007 008 013 021 023 024 029 033.MI 033.MI.SA 037 041.MI 041.MI.SA 044 045
Chapter 4: Numeration Systems
4.1 13 008 012.MI 012.MI.SA 022 036 040.MI 040.MI.SA 046 048 050 052 054.MI 054.MI.SA
4.2 15 005 008 011.MI 011.MI.SA 024 028 032 044.MI 044.MI.SA 046 048.MI 048.MI.SA 054 058 059
4.3 15 002 010 012 014.MI 014.MI.SA 016 018.MI 018.MI.SA 020 022 029 032.MI 032.MI.SA 034 036
4.4 15 002.MI 002.MI.SA 006 008 010.MI 010.MI.SA 014 016 019 022.MI 022.MI.SA 026 028 032 035
4.5 14 002 006.MI 006.MI.SA 010.MI 010.MI.SA 015 018 020 021 023.MI 023.MI.SA 028 029 030
Chapter 5: Number Theory and the Real Numbers
5.1 17 016 024.MI 024.MI.SA 026 028 032 034 036.MI 036.MI.SA 041 046.MI 046.MI.SA 050 054 060 064 069
5.2 17 008 020.MI 020.MI.SA 031 034.MI 034.MI.SA 035 038 045 048.MI 048.MI.SA 051 054 056 060 062 076
5.3 17 007 009 015.MI 015.MI.SA 018 024 029 032 037.MI 037.MI.SA 050 056.MI 056.MI.SA 076 086 094 098
5.4 18 005.MI 005.MI.SA 010 012 015.MI 015.MI.SA 017.MI 017.MI.SA 018 020 022 026 030 036.MI 036.MI.SA 042 048 052
5.5 17 016 028 044 052 064 069 078.MI 078.MI.SA 081 084 092 098.MI 098.MI.SA 106 109.MI 109.MI.SA 115
5.6 17 006 008 012 018 024 026 036.MI 036.MI.SA 038 040.MI 040.MI.SA 042 044 063 067.MI 067.MI.SA 068
5.7 17 002 012 014 016 020 026 028.MI 028.MI.SA 036.MI 036.MI.SA 038 042.MI 042.MI.SA 047 053 055 058
5.8 18 001 005 008 019.MI 019.MI.SA 022 024.MI 024.MI.SA 026 027 031.MI 031.MI.SA 034 036 038 041 042 044
Chapter 6: Equations, Inequalities, and Problem Solving
6.1 17 002 010 014 024.MI 024.MI.SA 032 034 040 045 058 068.MI 068.MI.SA 081 084 096 098.MI 098.MI.SA
6.2 17 002 004 006.MI 006.MI.SA 010 014 020 024 028.MI 028.MI.SA 030 038 042 048.MI 048.MI.SA 054 062
6.3 17 005 008 010.MI 010.MI.SA 013 017.MI 017.MI.SA 019 021 024 030 035 038.MI 038.MI.SA 040 042 044
6.4 17 002 006 008.MI 008.MI.SA 011 017 019.MI 019.MI.SA 023 030 040 048 050 058 064 066.MI 066.MI.SA
6.5 17 001 002 005 009.MI 009.MI.SA 011 014 018 020 025.MI 025.MI.SA 029 033.MI 033.MI.SA 040 048 051
6.6 18 002 006 007 009.MI 009.MI.SA 018 020.MI 020.MI.SA 025 026 030 032 034 040.MI 040.MI.SA 041 045 048
Chapter 7: Functions and Graphs
7.1 17 003.SBS 010 013 017 019 023.MI 023.MI.SA 029 035.MI 035.MI.SA 039 045.MI 045.MI.SA 055 057 059 061
7.2 15 003 004 007 010.MI 010.MI.SA 014 017 019.SBS 021 025 029 030 032 033 035
7.3 17 001.SBS 005.MI 005.MI.SA 011 013 017 019.MI 019.MI.SA 025 029 037.MI 037.MI.SA 043 045 051 059 063
7.4 16 001 003 006.MI 006.MI.SA 007 009 012 013 017.SBS 020 025.SBS 029 033.MI 033.MI.SA 036 041
7.5 16 001 003.MI 003.MI.SA 005 007 009 012 015 018.MI 018.MI.SA 027 030 033.SBS 040 044 045
7.6 15 001 006 008 011.SBS 015 020 021 030 032 033 035 037 043.MI 043.MI.SA 045
7.7 17 001 003 005.MI 005.MI.SA 011 013.MI 013.MI.SA 015 016 025 027 029 032 033 039.MI 039.MI.SA 041
Chapter 8: Geometry
8.1 15 001 003 005 007 013 015 019 029 035.SBS 050 056 071 073 077.MI 077.MI.SA
8.2 16 001 005 006 009 013 019 021 025 027.MI 027.MI.SA 030 039 040 047.MI 047.MI.SA 055.SBS
8.3 17 001.MI 001.MI.SA 005.SBS 011 012.MI 012.MI.SA 015 016 021.MI 021.MI.SA 025 028 032 033 036 041 043
8.4 17 003 005 007 010.MI 010.MI.SA 011 014 017.MI 017.MI.SA 019 020 021 025 027.MI 027.MI.SA 039 062
8.5 17 001 005 010 011 016.MI 016.MI.SA 017.SBS 021.MI 021.MI.SA 027 030 036 037.MI 037.MI.SA 049 051 053
8.6 14 001 003 004 006 007 010 011 013 017 021 022 023 029 033.SBS
Chapter 9: Mathematical Systems and Matrices
9.1 16 002 004.MI 004.MI.SA 008 010.MI 010.MI.SA 014 016 018 020.MI 020.MI.SA 024 026 030 034 036
9.2 16 002 003 004 006 008.MI 008.MI.SA 010 012 013 015 016 017.MI 017.MI.SA 018 019 020
9.3 18 006 010 016 020.MI 020.MI.SA 024 024.alt 030 044 048.MI 048.MI.SA 052.MI 052.MI.SA 056 060 066 074 098
9.4 16 001 002.MI 002.MI.SA 004 006 010 014.MI 014.MI.SA 020 021 026 028 050 052 054 056
9.5 13 002 004 006 008 010 012.MI 012.MI.SA 014 018.MI 018.MI.SA 022 028 029
Chapter 10: Counting Techniques
10.1 16 001 004 005 006 011 015.MI 015.MI.SA 016.MI 016.MI.SA 017 023 031 033 035 039 044
10.2 16 003 006.MI 006.MI.SA 007 013.MI 013.MI.SA 015.SBS 021 022 025 027 030 031 033 034 041
10.3 16 003 006.MI 006.MI.SA 009 013.SBS 016.MI 016.MI.SA 017 019 020 021 024 027 029 032 033
10.4 15 001 002 006.MI 006.MI.SA 007 009 010 011 012 013 015 019.SBS 022 023 025
Chapter 11: Probability
11.1 16 003.SBS 007 009 010.MI 010.MI.SA 014 016 017.MI 017.MI.SA 027 028 031 035 041 043 046
11.2 16 001 002 005.SBS 006.MI 006.MI.SA 007 009 010 013 016 021.MI 021.MI.SA 024 025 037 039
11.3 17 001 003 004 007.MI 007.MI.SA 009.SBS 012 014 015 019.MI 019.MI.SA 023 026.MI 026.MI.SA 027 031 032
11.4 16 001.SBS 003 004 005 009.MI 009.MI.SA 010 011 013 015 017 018.MI 018.MI.SA 021 022 024
11.5 16 001 002 003 005 007 014.MI 014.MI.SA 015.SBS 017 027 032 037.MI 037.MI.SA 043 045 046
11.6 17 003 005 006 007 011.MI 011.MI.SA 015.MI 015.MI.SA 021 025 026 027 029.MI 029.MI.SA 030 031 036
Chapter 12: Statistics
12.1 14 001 004 005 015 016 017 027 035 039.SBS 045 047 048.MI 048.MI.SA 051
12.2 16 001 004.MI 004.MI.SA 005 007 011.MI 011.MI.SA 013 017 019 022 024 025 027 031 037
12.3 15 001 002 004 009 011.MI 011.MI.SA 013 015.SBS 016 019 021 022 023 025 030
12.4 16 001 003 004 005 010 011 015 019.MI 019.MI.SA 022 023 025 031 035.SBS 040.MI 040.MI.SA
12.5 14 001.SBS 005 008 009.MI 009.MI.SA 019 023 027 029 031 045 051 052.MI 052.MI.SA
12.6 16 001 005 008 009 011 013 014.MI 014.MI.SA 017 021.MI 021.MI.SA 023 024 029 030 039
12.7 14 001 005 007 013 014 015.SBS 021 024 025 026 027 029 030 031
Chapter 13: Your Money and Your Math
13.1 15 001 007 012 013 016 017 020 023 027 030 033 037 039 041.SBS 049
13.2 14 003.SBS 005 007 011 012 015 017 019 020 021 023 025 026 028
13.3 14 001.SBS 009 011 015 016 017 021 022 025 026 029 037 038 045
13.4 14 002 003 005.SBS 007 009 011 013 015 017 019 020 022 023 026
13.5 14 001 005 007 011 013 016 017 020 023 027 028 036 041.SBS 045
Total 1162