# Elementary Technical Mathematics 10th edition

Dale Ewen and C. Robert Nelson
Publisher: Cengage Learning

## Enhanced Webassign

Includes pedagogical tools such as assignable simulations, textbook examples, links to the eBook, and algorithmic solutions. Specific features vary from book to book.

## eBook

Your students can pay an additional fee for access to an online version of the textbook that might contain additional interactive features.

## Lifetime of Edition (LOE)

Your students are allowed unlimited access to WebAssign courses that use this edition of the textbook at no additional cost.

## Textbook Resources

Additional instructional and learning resources are available with the textbook, and might include testbanks, slide presentations, online simulations, videos, and documents.

Access is contingent on use of this textbook in the instructor's classroom.

Academic Term Homework Homework and eBook
Higher Education Single Term \$47.00 \$90.00
High School N/A N/A

Online price per student per course or lab, bookstore price varies. Access cards can be packaged with most any textbook, please see your textbook rep or contact WebAssign

• Chapter 1: Basic Concepts
• 1.1: Review of Basic Operations (4)
• 1.2: Order of Operations (3)
• 1.3: Area and Volume (3)
• 1.4: Formulas (3)
• 1.5: Prime Factorization Divisibility (4)
• 1.6: Introduction to Fractions (3)
• 1.7: Addition and Subtraction of Fractions (3)
• 1.8: Multiplication and Division of Fractions (4)
• 1.9: The U.S.System of Weights and Measures (3)
• 1.10: Addition and Subtraction of Decimal Fractions (3)
• 1.11: Rounding Numbers (3)
• 1.12: Multiplication and Division of Decimal Fractions (4)
• 1.13: Percent (3)
• 1.14: Part, Base, and Rate (3)
• 1.15: Powers and Roots (2)
• 1.16: Application Involving Percent: Personal Finance (1)

• Chapter 2: Signed Numbers and Powers of 10
• 2.1: Addition of Signed Numbers (7)
• 2.2: Subtraction of Signed Numbers (7)
• 2.3: Multiplication and Division of Signed Numbers (4)
• 2.4: Signed Fractions (4)
• 2.5: Powers of 10 (4)
• 2.6: Scientific Notation (9)
• 2.7: Engineering Notation (4)

• Chapter 3: The Metric System
• 3.1: Introduction to the Metric System (7)
• 3.2: Length (7)
• 3.3: Mass and Weight (7)
• 3.4: Volume and Area (7)
• 3.5: Tim, Current, and Other Units (7)
• 3.6: Temperature (7)
• 3.7: Metric and U.S. Conversion (7)

• Chapter 4: Measurement
• 4.1: Approximate Numbers and Accuracy (9)
• 4.2: Precision and Greatest Possible Error (9)
• 4.3: The Vernier Caliper (2)
• 4.4: The Micrometer Caliper (2)
• 4.5: Addition and Subtraction of Measurements (9)
• 4.6: Multiplication and Division of Measurements (9)
• 4.7: Relative Error and Percent Error (9)
• 4.8: Color Code of Electrical Resistors (2)
• 4.9: Reading Scales (2)

• Chapter 5: Polynomials: An Introduction to Algebra
• 5.1: Fundamental Operations (7)
• 5.2: Simplifying Algebraic Expressions (7)
• 5.3: Addition and Subtraction of Polynomials (6)
• 5.4: Multiplication of Monomials (7)
• 5.5: Multiplication of Polynomials (7)
• 5.6: Division by a Monomial (7)
• 5.7: Division by a Polynomial (7)

• Chapter 6: Equations and Formulas
• 6.1: Equations (15)
• 6.2: Equations with Variables in Both Members (9)
• 6.3: Equations with Parentheses (8)
• 6.4: Equations with Fractions (7)
• 6.5: Translating Words into Algebraic Symbols (9)
• 6.6: Applications Involving Equations (11)
• 6.7: Formulas (10)
• 6.8: Substituting Data into Formulas (4)
• 6.9: Reciprocal Formulas Using a Calculator (7)

• Chapter 7: Ratio and Proportion
• 7.1: Ratio (7)
• 7.2: Proportion (7)
• 7.3: Direct Variation (4)
• 7.4: Inverse Variation

• Chapter 8: Graphing Linear Equations
• 8.1: Linear Equations with Two Variables (12)
• 8.2: Graphing Linear Equations (10)
• 8.3: The Slope of a Line (11)
• 8.4: The Equation of a Line (17)

• Chapter 9: Systems of Linear Equations
• 9.1: Solving Pairs of Linear Equations by Graphing (4)
• 9.2: Solving Pairs of Linear Equations by Addition (7)
• 9.3: Solving Pairs of Linear Equations by Substitution (5)
• 9.4: Applications Involving Pairs of Linear Equations (9)

• Chapter 10: Factoring Algebraic Expressions
• 10.1: Finding Monomial Factors (10)
• 10.2: Finding the Product of Two Binomials Mentally (10)
• 10.3: Finding Binomial Factors (12)
• 10.4: Special Products (8)
• 10.5: Finding Factors of Special Products (9)
• 10.6: Factoring General Trinomials (9)

• Chapter 11: Quadratic Equations
• 11.1: Solving quadratic Equations by Factoring (11)
• 11.2: The Quadratic Formula (7)
• 11.3: Applications Involving Quadratic Equations (9)
• 11.4: Graphs of Quadratic Equations (5)
• 11.5: Imaginary Numbers (4)

• Chapter 12: Geometry
• 12.1: Angles and Polygons (7)
• 12.2: Quadrilaterals (7)
• 12.3: Triangles (7)
• 12.4: Similar Polygons (7)
• 12.5: Circles (7)
• 12.6: Radian Measure (7)
• 12.7: Prisms (8)
• 12.8: Cylinders (9)
• 12.9: Pyramids and Cones (9)
• 12.10: Spheres (9)

• Chapter 13: Right Triangle Trigonometry
• 13.1: Trigonometric Ratios (8)
• 13.2: Using Trigonometric Ratios to Find Angles (8)
• 13.3: Using Trigonometric Ratios to Find Sides (8)
• 13.4: Solving Right Triangles (8)
• 13.5: applications Involving Ratios to Find Sides (10)

• Chapter 14: Trigonometry with Any Angle
• 14.1: Sine and Cosine Graphs (7)
• 14.2: Period and Phase Shift (7)
• 14.3: Solving Oblique Triangles: Law of Sines (9)
• 14.4: Law of Sines: The Ambiguous Case (7)
• 14.5: Solving Oblique Triangles: Law of Cosines (9)

• Chapter 15: Basic Statistics
• 15.1: Bar Graphs (6)
• 15.2: Circle Graphs (6)
• 15.3: Line Graphs (6)
• 15.4: Other Graphs (6)
• 15.5: Mean Measurement (6)
• 15.6: Other Average Measurements and Percentiles (6)
• 15.7: Range and Standard Deviation (6)
• 15.8: Grouped Data (6)
• 15.9: Standard Deviation for Grouped Data (6)
• 15.10: Statistical Process Control (6)
• 15.11: Other Graphs for Statistical Data (6)
• 15.12: Normal Distribution (6)
• 15.13: Probability (6)
• 15.14: Independent Events (6)

• Chapter 16: Binary and Hexadecimal Numbers
• 16.1: Introduction to Binary Numbers (7)
• 16.2: Addition of Binary Numbers (4)
• 16.3: Subtraction of Binary Numbers (4)
• 16.4: Multiplication of Binary Numbers (4)
• 16.5: Conversion from Decimal to Binary System (7)
• 16.6: Conversion from Binary to Decimal System (7)
• 16.7: Hexadecimal System (9)
• 16.8: Addition and Subtraction of Hexadecimal Numbers (5)
• 16.9: Binary to Hexadecimal Conversion (5)
• 16.10: Hexadecimal Code for Colors

## 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: Basic Concepts
1.1 4 010 018 032 036
1.2 3 002 018 038
1.3 3 002 018 036
1.4 3 002 010 024
1.5 4 010 022 034 046
1.6 3 002 032 046
1.7 3 002 036 060
1.8 4 004 024 036 052
1.9 3 002 022 038
1.10 3 010 030 040
1.11 3 006 008 024
1.12 4 008 014 026 040
1.13 3 002 038 054
1.14 3 006 012 030
1.15 2 004 016
1.16 1 002
Chapter 2: Signed Numbers and Powers of 10
2.1 7 001 002 009 019 021 024 035
2.2 7 001 006 008 011 022 024 045
2.3 4 004 010 042 051
2.4 4 001 017 027 037
2.5 4 001 003 017 023
2.6 9 006 011 016 017 019 029 030 033 042
2.7 4 001 007 013 019
Chapter 3: The Metric System
3.1 7 001 005 009 013 017 019 027
3.2 7 003 013 025 034 036 055 057
3.3 7 003 007 013 024 031 035 040
3.4 7 003 007 013 028 031 039 043
3.5 7 001 005 007 009 015 018 031
3.6 7 005 007 010 011 013 017 019
3.7 7 003 007 011 023 039 048 051
Chapter 4: Measurement
4.1 9 007 009 015 017 020 027 029 031 033
4.2 9 001 003 007 011 015 017 019 021 025
4.3 2 001 013
4.4 2 001 007
4.5 9 001 009 011 017 021 029 033 043 047
4.6 9 001 009 017 023 031 035 039 043 047
4.7 9 001 005 015 019 021 031 035 039 041
4.8 2 005 011
4.9 2 003 019
Chapter 5: Polynomials: An Introduction to Algebra
5.1 7 001 009 011 017 019 027 039
5.2 7 001 011 021 025 041 053 077
5.3 6 001 010 011 023 037 041
5.4 7 006 007 012 025 029 031 049
5.5 7 012 037 038 044 048 050 054
5.6 7 001 007 017 021 029 039 049
5.7 7 002 005 006 013 015 019 027
Chapter 6: Equations and Formulas
6.1 15 001 003 004 008 012 019 020 023 027 031 036 040 041 056 060
6.2 9 001 004 006 013 019 022 025 026 029
6.3 8 003 005 008 009 011 019 031 039
6.4 7 001 008 011 015 021 027 039
6.5 9 001 002 003 005 009 011 013 019 025
6.6 11 001 003 005 007 009 011 013 019 021 023 025
6.7 10 001 002 009 010 012 024 027 028 032 035
6.8 4 001 011 025 027
6.9 7 001 005 007 011 017 021 023
Chapter 7: Ratio and Proportion
7.1 7 003 007 017 025 039 047 053
7.2 7 003 007 013 017 023 033 047
7.3 4 049 051 053 054
Chapter 8: Graphing Linear Equations
8.1 12 025 029 031 035 039 041 045 047 049 051 059 065
8.2 10 001 003 006 009 011 015 019 022 023 027
8.3 11 001 007 009 011 015 017 019 021 023 025 027
8.4 17 003 005 008 011 013 015 019 023 026 027 031 032 041 045 049 053 057
Chapter 9: Systems of Linear Equations
9.1 4 004 007 010 015
9.2 7 007 008 013 019 031 033 035
9.3 5 011 017 021 022 024
9.4 9 001 005 015 021 025 027 031 037 043
Chapter 10: Factoring Algebraic Expressions
10.1 10 002 005 011 016 017 020 021 027 039 041
10.2 10 001 009 020 022 024 025 033 034 042 045
10.3 12 001 013 018 026 029 035 036 040 042 058 065 079
10.4 8 001 002 005 013 031 035 036 039
10.5 9 001 002 004 008 012 020 023 024 029
10.6 9 003 005 012 016 023 033 035 037 039
Chapter 11: Quadratic Equations
11.1 11 003 004 006 008 009 011 015 017 025 031 033
11.2 7 001 007 008 009 011 013 017
11.3 9 001 003 005 007 009 011 013 015 017
11.4 5 003 006 009 011 017
11.5 4 001 022 035 039
Chapter 12: Geometry
12.1 7 001 003 007 013 015 017 025
12.2 7 001 005 009 015 017 019 021
12.3 7 001 003 007 027 031 035 045
12.4 7 001 007 011 013 015 017 023
12.5 7 001 003 007 011 017 023 051
12.6 7 005 007 011 013 023 025 027
12.7 8 001 003 005 011 016 017 019 020
12.8 9 001 003 005 011 013 023 029 030 031
12.9 9 001 005 011 015 017 019 021 027 029
12.10 9 001 003 005 007 009 013 015 017 018
Chapter 13: Right Triangle Trigonometry
13.1 8 001 011 015 025 037 049 061 065
13.2 8 001 003 005 007 009 011 013 015
13.3 8 001 003 005 007 009 011 013 015
13.4 8 001 003 005 007 009 011 013 015
13.5 10 001 003 006 008 009 013 015 021 033 034
Chapter 14: Trigonometry with Any Angle
14.1 7 001 007 011 029 031 033 035
14.2 7 001 003 005 011 013 017 021
14.3 9 001 003 005 009 013 015 019 021 022
14.4 7 001 003 005 007 013 015 017
14.5 9 001 003 005 007 009 017 019 021 025
Chapter 15: Basic Statistics
15.1 6 001 005 011 015 017 019
15.2 6 001 003 005 007 009 011
15.3 6 005 007 009 010 011 012
15.4 6 001 003 005 007 009 010
15.5 6 001 003 007 011 017 019
15.6 6 001 003 007 027 035 037
15.7 6 001 003 011 021 023 031
15.8 6 001 003 004 005 012 013
15.9 6 001 003 004 005 012 013
15.10 6 001 002 003 004 005 006
15.11 6 001 002 003 009 010 011
15.12 6 001 002 003 004 005 006
15.13 6 001 003 005 010 014 017
15.14 6 001 003 005 011 013 015
Chapter 16: Binary and Hexadecimal Numbers
16.1 7 001 003 005 007 011 017 019
16.2 4 001 003 015 026
16.3 4 001 005 021 025
16.4 4 003 007 013 019
16.5 7 002 011 012 017 018 019 020
16.6 7 003 005 008 010 012 013 020
16.7 9 001 004 005 017 020 021 025 028 029
16.8 5 001 005 021 031 059
16.9 5 001 005 017 025 041
Total 799