Exam 2 Project – Chs. 2 & 3: Exploring Quadratic Functions 
As a review, it is recommended that you complete & submit this assignment before taking the exam. Due Date: The original post is due by 11:59pm three (3) days before Exam 2 is due. Replies are due by 11:59pm of the last day that Exam 2 is due. 
Introduction 
Project: Graphs represent many situations in life. Look at the first page of each section of your text and you will see “What you should learn” and “Why you should learn it”. These short paragraphs describe real life problems that relate to the math in the section. Scan through the book, look for pictures of real life examples and write down several examples that seem interesting to you.
For this project, you will learn how coefficients in a quadratic function affect the graph of the function by using Wolfram Demonstrations Project website (http://demonstrations.wolfram.com/). You will then analyze a quadratic and describe a quadratic function that models a real life situation from a graph that corresponds to the data. We will guide you through the process first. You will then have the opportunity to get creative, so prepare to impress.
Note: Points will not be deducted for how precisely the equation matches the real life situation.

Activity/Process and Grading (Total = 50 (40 + 5 + 5) points) 
Complete all of the following activities using Wolfram Demonstrations Project website (http://www.wolfram.com/). You will submit your work to Exam 2 Project forum in Blackboard. Only submit your work in one of the following ways:
This assignment is REQUIRED and will only be graded if resources and conclusion are part of the project. The point values for each section are noted below with an additional 10 points for replies to classmates. You are required to review at least two classmates’ projects and post a substantive reply to each (5 points for each reply for up to a total of 10 points). “Good Job” or “I didn’t think of that” will not do. You must post a followup question, an observation, make a suggestion, or apply some additional insight to what your classmate has posted. It is NOT your place to point out or correct errors. If you find an error that needs correcting, email your instructor for verification and the instructor will contact the student if your observation is correct.
To get started:
Exploring the coefficients: 5 points Using the application, click on LABEL and GRID to see the equation and a grid. Move the sliding bar for the c variable to the left and right. For this project, use the title “Cvariable” and describe what happens to the parabola and the equation. Please write your description in complete sentences. Reset the parabola and investigate further by changing the ‘a’ and ‘b’ variables. The use the title “Avariable” and “Bvariable” and describe how the variables affect the graph of the parabola. Discovering a real life example: 15 points Recall the definition of a function. View the real life example at the end of the project and answer the questions that will help describe the function with as much detail as possible.
You will be graphing the function, finding the maximum (vertex) point, determining the domain, finding random points and writing them using functional notation and determining where the function is increasing and decreasing.
Expanding on your own real life example: 15 points Review the introduction and the examples you wrote down from within the textbook. Write a real life description of what a function could represent (Review the Example below at the bottom of this document). Include descriptions of each piece found In the example below. Will your real life example be a function that represents the height of a punted football, the path of a kid as he dives off a diving board, a function describing the number of dates 18yearolds go on or one describing the number of IPhones purchased between two different years? You decide and be creative!
Consider restricting the domain so that the function is valid for your description.
For the important parts of a parabolic function discussed above (vertex, domain, etc.) describe in your own words using nonmath terms what each of these parts represent in the real world.
Exploring one coefficient change: 5 points Change a constant or coefficient in the problem so that the function has imaginary solutions.
Show algebraically how to obtain the solutions.
Answer the question: Can these solutions be graphed? Can they help understand the real world?

CONCLUSION & RESOURCES 
Write a summary (minimum of 3 sentences) of what you learned doing this project. Remember to list any resources you used for this project including books and or internet sites.

Subject  Mathematics 
Due By (Pacific Time)  05/01/2014 12:00 am 
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