Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Quadratic Equations by Finding Square Roots
Thirteen problems present a variety of practice solving quadratic equations by finding square roots. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the...
Interactive Mathematics
Interactive Mathematics: Quadratic Formula, Origin, Examples & Exercises
Presents the quadratic formula, gives examples and exercises, and links to popup windows explaining the solutions. Contains a window allowing the user to enter values for a process illustration (requires LiveMath plugin, available from a...