Introduction
The DP physics class has built rockets that they now want to launch near the fountain. They know that h, the height in meters of the rocket at any time, t seconds can be found using the equation
h(t)=-5t²+30t+10. They have asked our class to find how long it takes to hit the ground.
Task
Through this web quest you will learn what a quadratic equation is and different methods to solve one. When you have completed the web quest you will be able to
- Recognize a quadratic equation
- Solve a quadratic equation by factoring
- Solve a quadratic equation by completing the square
- Solve a quadratic equation by completing the square
Process
1. Read Chapter 18B in your book and answer question one on the worksheet.
2. Watch the following video and answer questions #2,3, 4 and 5
https://www.youtube.com/watch?v=3KqPWv8Z0J0
3. Watch the next video below and then answer question #6, and 7
https://www.youtube.com/watch?v=xGOQYTo9AKY
4. Watch a third video and then answer question #8.
https://www.youtube.com/watch?v=LWyXP3lYlpQ
5. Now watch the following video.
https://www.youtube.com/watch?v=2lbABbfU6Zc
4.Now look back at the introduction and answer question #9, #10 and #11
Evaluation
The evaluation will be a set of five problems done as a HW quiz and equire you to solved each using a specific method.