Homework Assignments Math Lab Schedule September 26 September

Homework Assignments Math Lab Schedule September 26 – September 30 October 3 – October 7 October 10 – October 14 Monday 3 -4 Linear Programming Homework: p 209 2, 3, 5, 6, 9, 10, 12, 13, 17 Review Systems Matrices Tuesday 3 -4 Linear Programming Homework: p 209 2, 3, 5, 6, 9, 10, 12, 13, 17 Linear Systems in 3 Variables Matrices Wednesday 3 -2 Using Algebraic Methods Linear Systems in 3 Variables to Solve Linear Systems Mr. Morgan will not be here Homework: p 194 2 -12 even, 15 -30 x 3 s Matrices Thursday 3 -2 Using Algebraic Methods Unit 2 Review to Solve Linear Systems Mr. Morgan will not be here Homework: p 194 2 -12 even, 15 -30 x 3 s Mr. Morgan will not be here 3 -1 Using Graphs and Tables Unit 2 Test to Solve Linear Systems Homework: p 186 2 -12 even, 15 -30 x 3 s, 38 -41 all Mr. Morgan will not be here AM: 3716 Mr. Thomas PM: 2716 Mr. Johnson Friday Grading Today Grading Thursday Common Assessment Quiz Day www. morganmathunion. weebly. com ©Scarsdale

Homework Questions

2. (5, 12) 6. (7, -2) 12. No Solution 18. (5, 4) 24. No Solution 3 -2 Using Algebraic Methods to Solve Linear Systems Homework: p 194 2 -12 even, 15 -30 x 3 s

1. – x – 5 y – 5 z = 2 4 x – 5 y + 4 z = 19 x + 5 y – z = -20 Solving Systems in 3 Variables

4. 4 x + 4 y + z = 24 2 x – 4 y + z = 0 5 x – 4 y – 5 z = 12 Solving Systems in 3 Variables

Solving Systems in Calculator Instructions 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 2 nd (Blue Key) then x-1 (Matrix) Scroll to the right to “Edit” Select [A] and hit Enter Edit the matrix size 1. 2. 2 x 3 for 2 variables 3 x 4 for 3 variables Enter Data 2 nd (Blue Key) then Mode (Quit) 2 nd (Blue Key) then x-1 (Matrix) Scroll to the right to “Math” Scroll down to “B: rref” and hit Enter 2 nd (Blue Key) then x-1 (Matrix) Select [A] by hitting Enter Your screen should now say “rref([A]), hit Enter one last time

5. 4 r – 4 s + 4 t = - 4 4 r + s – 2 t = 5 -3 r – 3 s – 4 t = -16 Solving Systems in 3 Variables

Solving Systems in 3 Variables Homework Finish worksheet Solving Systems of Three Equations with Elimination