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Applications of Quadratic Equations  Problem 3
Alissa Fong
Alissa Fong
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
One of the main reasons we study quadratics is to use a quadratic function to model anything that is flying through the air. You'll see this a lot in physics. The independent variable, usually called x, will now be called t for time, and the dependent variable, y, is now called h for height. To find the maximum height, we'll need to find the vertex by either completing the square or using t = b/2a and plugging that in to find the corresponding height. To find the initial launch height, we let time be zero. To find total time in the air, we let height be zero and solve for x by either factoring or using the quadratic formula. These problems take practice, but don't skip them they finally put together all of the quadratic skills that you have developed.
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Alissa Fong
M.A. in Secondary Mathematics, Stanford University
B.S., Stanford University
Alissa has a quirky sense of humor and a relatable personality that make it easy for students to pay attention and understand the material. She has all the math tips and tricks students are looking for.
Your tutorials are good and you have a personality as well. I hope you have more advanced college level stuff, because I like the way you teach.”
Thanks alot for such great lectures... I never found learning this easier ever before... keep up the great work.... :)”
You seem so kind, it's awesome. Easier to learn from people who seem to be rooting for ya!' thanks”
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Applications of Quadratic Equations
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Applications of Quadratic Equations
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