# Finite Mathematics 8th edition

Howard L. Rolf
Publisher: Cengage Learning

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• Chapter 1: Functions and Lines
• 1.1: Functions (32)
• 1.2: Graphs and Lines (55)
• 1.3: Mathematical Models and Applications of Linear Functions (43)

• Chapter 2: Linear Systems
• 2.1: Systems of Two Equations (31)
• 2.2: Systems with Three Variables: An Introduction to a Matrix Representation of a Linear System of Equations (24)
• 2.3: Gauss-Jordan Method for General Systems of Equations (21)
• 2.4: Matrix Operations (32)
• 2.5: Multiplication of Matrices (34)
• 2.6: The Inverse of a Matrix (28)
• 2.7: Leontief Input-Output Model in Economics (14)
• 2.8: Linear Regression (8)

• Chapter 3: Linear Programming
• 3.1: Linear Inequalities in Two Variables (26)
• 3.2: Solutions of Systems of Linear Inequalities: A Geometric Picture (28)
• 3.3: Linear Programming: A Geometric Approach (51)
• 3.4: Applications (20)

• Chapter 4: Linear Programming: The Simplex Method
• 4.1: Setting Up the Simplex Method (24)
• 4.2: The Simplex Method (26)
• 4.3: The Standard Minimum Problem: Duality (11)
• 4.4: Mixed Constraints (27)
• 4.5: Multiple Solutions, Unbounded Solutions, and No Solutions (17)
• 4.6: What's Happening in the Simplex Method? (Optional) (10)
• 4.7: Sensitivity Analysis

• Chapter 5: Mathematics of Finance
• 5.1: Simple Interest (43)
• 5.2: Compound Interest (43)
• 5.3: Annuities and Sinking Funds (30)
• 5.4: Present Value of an Annuity and Amortization (36)

• Chapter 6: Sets and Counting
• 6.1: Sets (31)
• 6.2: Counting Elements in a Subset Using a Venn Diagram (19)
• 6.3: Basic Counting Principles (32)
• 6.4: Permutations (38)
• 6.5: Combinations (29)
• 6.6: A Mixture of Counting Problems (22)
• 6.7: Partitions (Optional) (14)

• Chapter 7: Probability
• 7.1: Introduction to Probability (16)
• 7.2: Equally Likely Events (31)
• 7.3: Compound Events: Union, Intersection, and Complement (30)
• 7.4: Conditional Probability (30)
• 7.5: Independent Events (20)
• 7.6: Bayes' Rule (19)
• 7.7: Markov Chains (23)

• Chapter 8: Statistics
• 8.1: Frequency Distributions (15)
• 8.2: Measures of Central Tendency (30)
• 8.3: Measures of Dispersion: Range, Variance, and Standard Deviation (25)
• 8.4: Random Variables and Probability Distributions of Discrete Random Variables (24)
• 8.5: Expected Value of a Random Variable (19)
• 8.6: Bernoulli Experiments and Binomial Distribution (30)
• 8.7: Normal Distribution (59)
• 8.8: Estimating Bounds on a Proportion (18)

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

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

## 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
XP - Extra Problem

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

Group Quantity Questions
Chapter 1: Functions and Lines
1.1 32 001 002 005 006 007 009 010 011 023 024 037 038 039 040 041 042 043 045 046 047 048 049 051 052 053 056 057 058 059 060 061 062
1.2 55 001 003 004 007 008 011 013 015 018 019 023 025 026 027 030 031 034 035 038 040 042 044 045 048 049 051 053 056 058 060 062 064 066 068 070 073 075 078 082 084 088 097 099 100 101 102 108 109 114 115 123 124 125 127 135
1.3 43 001 003 005 007 009 011 012 013 015 019 021 024 025 027 029 034 035 037 039 041 043 044 045 047 048 051 053 056 060 062 065 066 068 070 073 075 084 085 087 088 089 091 092
Chapter 2: Linear Systems
2.1 31 002 004 006 008 010 012 014 016 018 020 022 024 028 030 032 034 035 038 039 042 044 046 048 050 052 058 062 064 068 072 080
2.2 24 002 004 008 010 012 016 018 020 022 024 026 028 032 034 038 042 044 048 050 052 054 058 061 064
2.3 21 002 008 009 016 018 020 022 024 026 030 032 034 038 040 044 048 050 052 056 064 068
2.4 32 002 004 006 008 010 012 014 016 018 020 022 024 026 028 030 032 034 036 038 040 042 044 046 050 052 054 056 058 060 062 068 501.XP
2.5 34 002 004 006 008 010 012 014 016 018 020 022 024 026 028 030 032 034 038 040 042 044 046 048 050 052 054 056 058 060 062 068 071 074 075
2.6 28 002 004 006 008 010 012 014 016 018 020 022 024 026 028 030 032 034 036 038 040 042 044 046 047 050 054 064 066
2.7 14 002 004 006 008 010 012 014 016 018 020 028 030 032 034
2.8 8 002 006 010 014 016 018 020 024
Chapter 3: Linear Programming
3.1 26 001 003 005 008 010 012 016 018 020 021 022 023 025 026 027 029 030 031 032 033 034 035 036 037 038 039
3.2 28 002 004 006 007 010 012 015 016 017 020 023 024 025 029 030 031 032 033 034 035 036 037 038 039 040 043 047 049
3.3 51 001 003 004 006 007 009 013 015 018 019 021 023 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 052 054 056 058 060 062 063 064 065 068 069 072
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 26 001 002 004 006 007 008 009 011 012 013 016 019 021 022 025 027 030 032 035 037 038 039 040 041 042 043
4.3 11 004 006 008 010 012 015 018 019 021 022 023
4.4 27 006 008 010 013 015 017 019 021 022 025 029 030 031 032 033 034 035 037 038 041 042 043 044 045 046 047 048
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 43 001 002 004 006 007 008 010 011 014 017 020 022 023 024 025 026 027 028 030 031 032 033 035 037 038 039 040 042 044 045 046 049 050 051 052 054 055 056 058 059 062 064 065
5.2 43 001 002 005 008 010 012 013 015 018 020 021 023 024 025 026 028 029 031 033 035 038 039 040 042 044 045 046 047 049 051 053 054 056 059 061 063 064 066 068 069 070 071 072
5.3 30 001 003 004 006 008 009 010 015 022 024 025 028 029 030 033 035 037 039 040 041 042 045 046 047 048 049 052 053 054 063
5.4 36 002 003 004 006 008 010 012 015 016 018 020 022 024 027 028 029 030 032 033 036 037 038 039 040 042 044 046 047 049 050 051 052 054 057 058 059
Chapter 6: Sets and Counting
6.1 31 003 004 005 006 008 009 011 014 016 017 018 019 020 027 034 036 037 040 042 043 046 048 049 050 052 055 058 060 062 063 064
6.2 19 001 003 005 006 009 010 011 013 016 017 018 020 023 025 027 029 030 033 034
6.3 32 005 006 007 009 011 013 014 016 017 018 019 020 021 022 023 025 027 030 032 033 036 038 040 042 046 049 051 053 056 058 063 066
6.4 38 003 005 007 009 011 013 015 016 017 019 021 023 024 026 028 031 032 034 035 037 039 040 041 042 043 046 047 048 050 051 052 054 055 057 058 060 061 063
6.5 29 002 003 004 006 013 014 018 020 021 022 024 026 028 031 032 035 036 038 040 043 044 045 046 049 051 054 056 058 060
6.6 22 001 002 004 006 007 009 010 012 013 015 016 018 020 022 024 026 028 030 031 032 033 034
6.7 14 002 004 006 008 010 012 014 015 018 022 028 034 035 036
Chapter 7: Probability
7.1 16 006 007 009 011 012 013 014 016 017 018 019 020 022 023 024 025
7.2 31 003 004 006 008 009 011 013 016 017 018 019 021 022 024 026 028 031 033 035 037 039 042 043 046 049 050 052 054 056 058 061
7.3 30 005 006 008 009 015 016 018 019 021 023 025 026 027 028 030 031 033 035 037 040 043 046 048 049 051 054 056 057 059 060
7.4 30 002 003 005 007 008 010 011 013 015 017 020 022 023 024 026 028 030 031 033 035 037 039 040 042 044 046 047 048 051 501.XP
7.5 20 001 003 005 007 009 011 013 015 017 019 021 023 025 027 029 031 032 035 037 039
7.6 19 003 005 007 008 009 010 011 013 015 017 019 021 023 025 027 029 032 034 037
7.7 23 002 003 004 007 008 009 011 013 015 017 019 020 021 022 024 026 028 031 033 036 037 039 040
Chapter 8: Statistics
8.1 15 001 003 005 007 009 011 013 017 019 021 023 028 030 032 038
8.2 30 002 004 005 007 009 010 012 014 015 018 019 020 021 023 025 027 029 030 033 035 036 040 044 047 049 050 053 054 057 059
8.3 25 002 004 006 007 008 010 012 013 015 016 019 021 023 024 026 028 030 031 033 034 035 037 039 040 041
8.4 24 005 007 009 010 011 012 013 014 016 020 022 023 025 026 027 029 030 031 033 034 037 040 042 046
8.5 19 001 003 005 007 009 011 012 015 016 018 020 021 023 025 026 028 030 033 035
8.6 30 001 003 005 007 011 013 016 017 019 020 022 028 030 032 033 036 042 044 046 048 050 052 054 056 058 059 061 063 066 068
8.7 59 002 004 006 008 010 011 013 016 018 019 020 022 023 024 026 028 030 031 032 034 036 038 040 042 044 046 048 050 052 054 055 057 059 061 062 064 066 068 069 070 072 074 075 076 077 081 087 089 091 095 097 099 101 104 108 112 121 125 127
8.8 18 001 002 004 006 008 009 011 012 013 016 018 020 022 024 026 029 031 040
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 1419