Instructional Video
Khan Academy

Khan Academy: Algebra: Ca Algebra I: Quadratic Roots

9th - 10th
Demonstrates solutions to problems #58-62 of California Algebra I released state test questions. Problems address an understanding of quadratic equations including identifying zeros from a graph, graphing quadratic equations, determining...
Instructional Video
Khan Academy

Khan Academy: Quadratic Odds and Ends/ Quadratic Roots

9th - 10th Standards
This video shows working with quadratic equations including identifying zeros from a graph, graphing quadratic equations, determining the number of x-intercepts and solving application problems.