Instructional Video
Khan Academy

Khan Academy: Algebra: Ca Algebra I: Completing the Square

9th - 10th
Demonstrates solutions to problems #48-52 of California Algebra I released state test questions. Problems address understanding of solving quadratic equations by factoring and completing the square. Practice problems available. [13:48]
Instructional Video
Khan Academy

Khan Academy: Algebra: Ca Algebra I: Quadratic Equation

9th - 10th Standards
Demonstrates solutions to problems #53-57 of California Algebra I released state test questions. Problems address an understanding of solving quadratic equations by completing the square and the quadratic formula. [10:14]
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...