Learning Resources

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Outcomes

In this lesson you will

  • use the ideas developed in this section to analyze the equations found in earlier parts of the project.

By the end of this section students will be able to:

  • derive and apply the quadratic formula
  • analyze the quadratic formula to connect its components to the graphs of quadratic functions
  • solve quadratic equations
  • relate the nature of the roots of quadratic equations and the x- intercepts of the graphs of corresponding functions
  • represent non-real roots of quadratic equations as complex numbers
  • demonstrate an understanding of the role of irrational numbers in applications
  • demonstrate an understanding of the nature of the roots of quadratic equations

Prerequisites

To be successful in this lesson, it would be helpful to know the following:

  • zeros of a function
  • use the discriminant to determine the number and nature of the roots of the quadratic equation
  • the relationship between the coefficients of the quadratic equation and the sum and product of the roots.