In this lesson, you learned how to:
- Explain what it means to "complete the square" and describe how to do it.
- Solve quadratic equations by completing the square and finding square roots.
Here are the activities that helped you reach those goals:
- 9.2.1: Different Forms of Perfect Squares
- In this activity, you identified which expressions were perfect squares.
- 9.2.2: Standard and Factored Forms of Perfect Squares
- In this activity, you rewrote perfect squares given in standard form into factored form and vice versa.
- 9.2.2: Self Check
- 9.2.2: Additional Resources
- 9.2.3: Completing the Square
- In this activity, you solved quadratic equations using completing the square strategy.
- 9.2.3: Self Check
- 9.2.3: Additional Resources
- 9.2.4: Making a Perfect Square
- In this activity, you determined what needed to be added to a polynomial to make a perfect square trinomial.
After these activities, you completed the following practice:
- 9.2.5: Practice
Checking In
On a scale of 1 to 5, how confident do you feel about the learning goals of this lesson?
Nice reflection! You learn more when you take the time to reflect on your thinking.