Unit 2 Review

Quadratic Functions

Unit 2 Lesson 1: What is a Quadratic Function?

  • A quadratic function has a degree of 2, which means that the largest exponent in the equation is always 2.
  • The graph of a quadratic function is a u-shaped curve called a parabola.
  • Parabolas are symmetrical, which means you can fold them in half and each side will match up perfectly.
  • Parabolas can open up or down.
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Unit 2 Lesson 1: Graphs of Quadratic Functions

Click here to watch a video to review how to identify the items below!

Unit 2 Lesson 1: Solving Quadratic Functions

Unit 2 Lesson 2: Comparing Quadratic Functions

  • Find the vertex of each function.
  • Compare the y-coordinates.
  • Use your calculator to help when necessary.
  • Click here to watch a video to review!

Unit 2 Lesson 2: Quadratic Word Problems

  • Read the problem carefully.
  • Identify important information.
  • Area = length x width
  • Less than = subtract
  • More than = add
  • Click here to watch a video to review!