Systems of Equations
This Unit’s Key Question: Does college pay off?
Day 1: Solve by Graphing (two variables)
Lesson Key Question: Does college pay off?
Content: Graphing Linear Systems (two variables) | Number of Solutions
Day 2: Substitution (two variables)
Lesson Key Question: How much do scholarships and majors matter?
Content: Solving Linear Systems (two variables) | Substitution | Number of Solutions
Day 3: Elimination (two variables)
Lesson Key Question: Why do schools and cities push kids to go to college?
Content: Solving Linear Systems (two variables) | Elimination
Day 4: Linear Inequalities & Constraints
Lesson Key Question: How many people should go to college?
Content: Systems of Inequalities | Feasible Regions | Optimizing with Constraints
Day 5: Solving 3 Equations Algebraically
Lesson Key Question: How does trade school stack up?
Content: Systems of 3 Variables | Solving with Substitution & Elimination
Day 6: Solving 3 Equations with Matrices
Technique Lesson: Skill-building lesson (no key contextual question)
Content: Matrices and Row-Reduction | Solving with Technology | Solving by Hand