Quadratic Equation Technique Review

Each of the problems below is a link. If you click on the problem, it will take you to a YouTube video of a full, step-by-step solution for the problem. You may try these problems as practice and use the videos to check your answer, or you can just watch the videos to see more worked-out example problems.

Use the most efficient method to solve: x squared minus 3x minus 28 = 0
Use the most efficient method to solve: x squared + 3x + 1 = 0
Use the most efficient method to solve: left paren 2y minus 3 right paren squared = 25
Use the most efficient method to solve: 20x minus 200x squared = 0
Use the most efficient method to solve: t squared = 8
Use the most efficient method to solve: 6y squared + 11y minus 2 = 0