Given a quadratic equation, find its discriminant and use the result to determine the nature of the solutions.
This video demonstrates a sample use of the discriminant.
This video provides an explanation of the concept of the discriminant.
A list of student-submitted discussion questions for Solutions Using the Discriminant.
Students will apply their understanding of polynomials and quadratics to better understand the making of a mirror for an astronomer's telescope.
This study guide gives an overview of methods to solve quadratic functions: solving by square roots (special case), completing the square, using the quadratic formula. It also looks at using the discriminant to determine the number of solutions.