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Exploring Quadratic Graphs  Problem 4
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
There are lots of methods possible for solving a quadratic equation they should all work for any given problem, but one might be easier than another. If you have two terms, look to factor and set each factor equal to zero using the zero product property. If there is no "b" term, add the constant to both sides, isolate the x^2, and then square root both sides (remember to use + and  roots.) If factoring wont work, you could always use the quadratic formula. If you have a trinomial where "a" is one and "b" is even, consider completing the square. Lastly, if you have access to a graphing technology, try graphing the function and finding the xintercepts.
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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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Sample Problems (6)
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Exploring Quadratic Graphs
Problem 1 7,455 viewsMake a table and graph:
y = x² 
Exploring Quadratic Graphs
Problem 2 5,420 viewsMake a table and graph:
y = x² − 2 
Exploring Quadratic Graphs
Problem 3 4,802 viewsMake a table and graph:
y = (x − 3)² + 1 
Exploring Quadratic Graphs
Problem 4 787 views 
Exploring Quadratic Graphs
Problem 5 739 views 
Exploring Quadratic Graphs
Problem 6 688 views
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