In this lesson, you learned how to:

• Recognize quadratic functions written in different ways.
• Use information from a pattern of shapes to write a quadratic function.
• Know that, in a pattern of shapes, the step number is the input and the number of squares is the output.

Here are the activities that helped you reach those goals:

• 7.3.1: Quadratic Expressions and Area
  • In this activity, you represented the areas of shaded figures formed from squares with quadratic expressions.
• 7.3.2: Writing Equations for Patterns with Squares
  • In this activity, you looked at visual patterns to write quadratic functions that represent sequences.
  • 7.3.2: Self Check
  • 7.3.2: Additional Resources
• 7.3.3: Quadratic Sequences
  • In this activity, you explored more quadratic functions from visual sequences that involved quadratic expressions written in different forms.
  • 7.3.3: Self Check
  • 7.3.3: Additional Resources
• 7.3.4: Quadratic Function?
  • In this activity, you wrote a quadratic function from a pattern that did not have a constant.

After these activities, you completed the following practice:

• 7.3.5: Practice