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Algebra 1

9.2.6 Lesson Summary

Algebra 19.2.6 Lesson Summary

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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?

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