Completing the Square

​Agenda Board

​Your 🎯 Objective:

I can solve equations and rewrite quadratics by completing the square.

📘 Today’s Plan:

1. Entry Routine + Warm-Up (10 min)

2. Notes: 4 Square Notes/Guided Notes/Notebooks

3. Thin-Slice Task (Optional)

4. CYU + Exit Ticket

🧠 Key Terms: Quadratic, Function, Completing the Square, Factoring.

Mild:

Open Ended

Write the Quadratic Function $$y=x^2-4x+3$$ in vertex form.

Open Ended

Solve by factoring:

$$x^2-8x\ =\ 9$$

Open Ended

Why is the method of completing the square significant in solving quadratic equations, and how does it differ from other methods such as factoring or using the quadratic formula?