# Finite Mathematics 7th edition

Howard L. Rolf
Publisher: Cengage Learning

## Textbook Resources

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• Chapter 1: Functions and Lines
• 1.1: Functions (32)
• 1.2: Graphs and Lines (43)
• 1.3: Mathematical Models and Applications of Linear Functions (35)
• 1: Review Exercises

• Chapter 2: Linear Systems
• 2.1: Systems of Two Equations (19)
• 2.2: Systems with Three Variables: An Introduction to a Matrix Representation of a Linear System of Equations (13)
• 2.3: Gauss-Jordan Method for General Systems of Equations (12)
• 2.4: Matrix Operations (14)
• 2.5: Multiplication of Matrices (13)
• 2.6: The Inverse of a Matrix (12)
• 2.7: Leontief Input-Output Model in Economics (11)
• 2.8: Linear Regression (6)
• 2: Review Exercises

• Chapter 3: Linear Programming
• 3.1: Linear Inequalities in Two Variables (19)
• 3.2: Solutions of Systems of Inequalities: A Geometric Picture (20)
• 3.3: Linear Programming: A Geometric Approach (47)
• 3.4: Applications (20)
• 3: Review Exercises

• Chapter 4: Linear Programming: The Simplex Method
• 4.1: Setting Up the Simplex Method (24)
• 4.2: The Simplex Method (24)
• 4.3: The Standard Minimum Problem: Duality (11)
• 4.4: Mixed Constraints (23)
• 4.5: Multiple Solutions, Unbounded Solutions, and No Solutions (17)
• 4.6: What's Happening in the Simplex Method? (10)
• 4.7: Sensitivity Analysis
• 4: Review Exercises

• Chapter 5: Mathematics of Finance
• 5.1: Simple Interest (32)
• 5.2: Compound Interest (34)
• 5.3: Annuities and Sinking Funds (25)
• 5.4: Present Value of an Annuity and Amortization (27)
• 5: Review Exercises

• Chapter 6: Sets and Counting
• 6.1: Sets (19)
• 6.2: Counting Elements in a Subset Using a Venn Diagram (15)
• 6.3: Basic Counting Principles (23)
• 6.4: Permutations (27)
• 6.5: Combinations (16)
• 6.6: A Mixture of Counting Problems (15)
• 6.7: Partitions (6)
• 6: Review Exercises

• Chapter 7: Probability
• 7.1: Introduction to Probability (13)
• 7.2: Equally Likely Events (14)
• 7.3: Compound Events: Union, Intersection, and Complement (20)
• 7.4: Conditional Probability (14)
• 7.5: Independent Events (16)
• 7.6: Bayes' Rule (14)
• 7.7: Markov Chains (14)
• 7: Review Exercises

• Chapter 8: Statistics
• 8.1: Frequency Distributions (6)
• 8.2: Measures of Central Tendency (15)
• 8.3: Measures of Dispersion: Range, Variance, and Standard Deviation (11)
• 8.4: Random Variables and Probability Distributions of Discrete Random Variables (15)
• 8.5: Expected Value of a Random Variable (13)
• 8.6: Bernoulli Experiments and Binomial Distribution (14)
• 8.7: Normal Distribution (20)
• 8.8: Estimating Bounds on a Proportion (6)
• 8: Review Exercises

• Chapter 9: Game Theory
• 9.1: Two-Person Games (16)
• 9.2: Mixed-Strategy Games (20)
• 9: Review Exercises

• Chapter 10: Logic
• 10.1: Statements (24)
• 10.2: Conditional Statements (24)
• 10.3: Equivalent Statements (14)
• 10.4: Valid Arguments (33)
• 10: Review Exercises

• Chapter A: Review Topics
• A.1: Properties of Real Numbers
• A.2: Solving Linear Equations
• A.3: Coordinate Systems
• A.4: Linear Inequalities and Interval Notation

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

Group Quantity Questions
Chapter 1: Functions and Lines
1.1 32 001 002 005 006 007 009 010 011 023 024 037 038 039 040 041 042 043 045 046 047 048 049 051 052 053 054 055 056 057 058 059 060
1.2 43 001 003 004 007 008 011 013 015 018 019 023 025 026 027 030 031 034 035 038 042 044 045 048 049 051 053 073 075 078 084 095 098 099 100 106 107 112 113 119 120 121 123 129
1.3 35 001 003 005 007 009 011 012 013 019 021 025 034 035 037 043 044 045 047 048 053 056 060 061 062 064 066 069 071 080 081 083 084 085 087 088
Chapter 2: Linear Systems
2.1 19 002 006 008 010 014 016 020 022 028 030 032 034 038 044 052 058 064 072 080
2.2 13 002 008 012 018 024 028 032 038 044 048 054 058 064
2.3 12 002 008 009 016 026 030 038 044 050 056 064 068
2.4 14 002 008 012 018 020 024 030 036 040 046 050 056 064 068
2.5 13 002 008 014 020 026 032 038 044 050 056 060 068 074
2.6 12 002 008 014 020 026 032 038 044 050 054 064 066
2.7 11 002 006 008 012 014 016 020 028 030 032 034
2.8 6 002 006 010 016 020 024
Chapter 3: Linear Programming
3.1 19 001 005 021 022 023 025 026 027 029 030 031 032 033 034 035 036 037 038 039
3.2 20 007 015 016 023 024 025 029 030 031 032 033 034 035 036 037 038 039 040 041 043
3.3 47 001 003 004 006 007 009 013 015 018 019 021 023 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 060 062 063 064 065 068 069 072
3.4 20 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020
Chapter 4: Linear Programming: The Simplex Method
4.1 24 004 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028
4.2 24 001 002 004 006 007 008 009 011 012 013 016 019 021 022 025 027 032 037 038 039 040 041 042 043
4.3 11 004 006 008 010 012 015 018 019 021 022 023
4.4 23 006 008 010 013 017 027 031 032 033 034 035 036 037 039 040 043 044 045 046 047 048 049 050
4.5 17 002 004 006 008 017 018 019 022 024 026 028 029 030 031 032 033 034
4.6 10 001 002 003 004 008 010 011 012 013 014
Chapter 5: Mathematics of Finance
5.1 32 001 002 007 008 010 011 014 017 020 026 027 028 033 035 037 038 039 040 042 044 045 046 049 050 051 055 056 058 059 062 064 065
5.2 34 001 002 005 008 013 015 018 020 021 023 024 025 026 028 029 031 033 035 038 039 045 046 047 049 051 053 054 056 059 061 069 070 071 072
5.3 25 001 009 015 022 024 025 028 029 030 033 035 037 039 040 041 042 045 046 047 048 049 050 051 052 061
5.4 27 003 012 015 020 024 027 028 029 030 032 033 036 037 038 039 040 044 046 047 049 050 051 052 054 057 058 059
Chapter 6: Sets and Counting
6.1 19 003 004 005 006 009 011 016 017 018 019 020 027 037 043 049 055 060 063 064
6.2 15 001 003 005 006 009 010 011 013 016 017 023 027 029 033 034
6.3 23 005 006 007 009 011 013 017 018 019 020 021 022 023 025 027 030 036 049 051 053 058 063 066
6.4 27 003 005 007 009 011 013 017 019 021 023 031 035 037 039 040 041 042 043 047 048 050 051 055 057 058 061 063
6.5 16 003 014 021 022 026 031 035 043 045 046 049 051 054 056 058 060
6.6 15 001 007 009 013 015 016 018 020 022 024 030 031 032 033 034
6.7 6 002 015 018 034 035 036
Chapter 7: Probability
7.1 13 007 009 011 012 013 017 018 019 020 022 023 024 025
7.2 14 003 006 009 011 016 017 019 021 033 035 037 050 056 061
7.3 20 005 009 015 018 021 023 025 026 027 028 031 033 040 049 051 054 056 057 059 060
7.4 14 002 003 005 007 011 013 015 023 031 033 035 041 047 051
7.5 16 001 003 005 007 009 011 013 015 019 023 025 027 029 031 037 039
7.6 14 003 005 007 008 009 010 011 013 015 017 019 023 025 034
7.7 14 002 003 004 007 008 017 019 020 021 022 024 028 033 039
Chapter 8: Statistics
8.1 6 001 009 011 013 017 023
8.2 15 002 005 007 009 015 019 023 027 029 033 036 040 047 053 059
8.3 11 007 013 015 016 019 021 023 031 034 037 041
8.4 15 005 007 009 010 011 012 013 014 016 023 025 026 027 029 033
8.5 13 001 003 005 007 009 011 012 015 021 025 026 033 035
8.6 14 001 005 007 011 013 017 019 022 028 033 042 059 061 063
8.7 20 011 019 023 031 055 061 069 075 077 081 087 089 091 095 097 099 101 121 125 127
8.8 6 001 009 011 013 022 040
Chapter 9: Game Theory
9.1 16 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016
9.2 20 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020
Chapter 10: Logic
10.1 24 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024
10.2 24 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024
10.3 14 001 002 003 004 005 006 007 008 009 010 011 012 013 014
10.4 33 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033
Total 1000