1. Chapter 7 Linear Systems and Matrices

2. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–2 Section 7.1, The Method of Substitution, pg. 452

3. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–3 Section 7.1, Figure 7.4, One Intersection Point, pg. 456

4. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–4 Section 7.1, Figure 7.5, Two Intersection Points, pg. 456

5. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–5 Section 7.1, Figure 7.6, No Intersection Points, pg. 456

6. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–6 Section 7.2, The Method of Elimination, pg. 464

7. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–7 Section 7.2, Graphical Interpretation of Solutions, pg. 465

8. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–8 Section 7.3, Figure 7.18, Three Planes, One Point, pg. 478

9. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–9 Section 7.3, Figure 7.19, Three Planes, No Solution, pg. 478

10. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–10 Section 7.3, Figure 7.20, Three Parallel Planes, pg. 478

11. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–11 Section 7.3, Figure 7.21, Three Planes, One Line, pg. 478

12. Copyright © Houghton Mifflin Company. All rights reserved. Digital Figures, 7–12 Section 7.3, Figure 7.22, One Plane, pg. 478