Week 8 – February 20 -24

Monday, February 20

  • Change of Coordinate Matrix
  • Test 2 is Wednesday
Tonight’s Homework
  • Read Section 2.5
  • Homework: Section 2.5 # 2

Tuesday, February 21

  • Test 2 covers Sections 2.1 – 2.4
Tonight’s Homework
  • Homework for Friday: Read Section 2.5
  • 2.5 # 3 (a), (c), (e)

Wednesday, February 22

  • Test 2 today covers Sections 2.1 – 2.4
  • Sample Test 2: test2-2015a
  • Answers: (1a) {(1,0,-1,0),(0,0,0,1)} (1b) {(1,0,2)} (1c) 4×3 matrix with rows
    (2,0,-1),(0,0,0),(-2,0,1),(0,1,0) (2) (24,10,-38) (3) Exercise 2.1 # 13 (4) Theorem 2.17, page 100
Tonight’s Homework
  • Read Section 2.5
  • Homework: Section 2.5 # 2, 3 (a), (c), (e), 4

Friday, February 24

  • Change of Coordinate Matrix
Tonight’s Homework
  • Read Section 2.5
  • Homework: Section 2.5 # 5, 9
  • Written homework 1 due Wednesday, March 1: Let L be the line y = 4x. Find the
    formula for the linear transformation that reflects all points about the line L. You must work
    alone on this written homework.