Use Cramers rule to solve each of the following systems: (a) x1 + 2x2 = 3 3x1 x2 = 1 (b) 2x1 + 3x2 = 2 3x1 + 2x2 = 5 (c) 2x1 + x2 3x3 = 0 4x1 + 5x2 + x3 = 8 2x1 x2 + 4x3 = 2 (d) x1 + 3x2 + x3 = 1 2x1 + x2 + x3 = 5 2x1 + 2x2 x3 = 8 (e) x1 + x2 = 0 x2 + x3 2x4 = 1 x1 + 2x3 + x4 = 0 x1 + x2 + x4 = 0

Quadric Surfaces SUGGESTED REFERENCE MATERIAL: As you work through the problems listed below, you should reference Chapter 11.7 of the rec- ommended textbook (or the equivalent chapter in your alternative textbook/online resource) and your lecture notes. EXPECTED SKILLS: ▯ Be able to compute & traces of quadic surfaces; in particular,...