Solve systems of linear equations
Start lessonBegins with Systems geometry and graphing · Slides
Teacher tools for this standard
Lesson Plan · Guided Notes · Exit Ticket · Re-teach · Homework
Teacher tools for this standard
Lesson Plan · Guided Notes · Exit Ticket · Re-teach · Homework
- Lesson Plan →Objectives, pacing and practice, built from this lesson's brief.
- Guided Notes →One page your students fill in and keep.
- Exit Ticket →Three items at the end of class. No student accounts.
- Re-teach →After an exit ticket: who missed what, and what to do tomorrow.
- Homework →Assign practice; it grades itself.
HSA.REI.C.6
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What you'll learn
- Solve a system of two linear equations in two variables using the graphing method (approximately) and interpret the intersection point
- Solve a system using the substitution method (exactly) and verify the solution satisfies both equations
- Solve a system using the elimination method (exactly), applying the theorem from REI.C.5 to justify each step
- Identify the three possible solution types -- one solution (consistent independent), no solution (inconsistent), infinitely many solutions (consistent dependent) -- and explain their geometric meaning
- Choose the most efficient method for a given system and apply it correctly
Slides
Step through the lesson, or watch it as a narrated video • 2 slide decks
1
Systems geometry and graphing
✓ Start here2
Substitution and elimination
Practice
Try it on your own
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