Monday, September 27, 2010

CH P How to Do Applying Linear Equations in Two Variables

Write the project up as you would a science lab, sketching a picture for each step (letter) and showing your work. Scan your paper into your blog. Write a clear explanation of what you did using math vocabulary words.
See the An Example Student.

There are four options for this project:

Option 1
Finding the Depreciation of Real Estate p37
(8 people may choose Option 1)

Deirdre
Lucy
Jessica
Lionel
Monique
Jimmy
Jennifer

1. Go to zillow.com and type your the address to look up the price of your house or apartment.
3. Estimate the yearly depreciation (or appreciation) of your house.
4. Estimate what your house/apartment was worth when you moved in.
5. Create a linear model and answer the following questions:
a) Write a linear equation giving the value y of the building in terms of the years x after the purchase.
b) In how many years will the value of your building be 100,000?
c) What types of things could happen in your neighborhood to change your prediction?
d) Sketch the graph and copy the table from your graphing calculator.

zillow.com

Option 2
Finding the Depreciation of Stock p37
(8 people may choose Option 2)

Jennifer
Dan
Kevin Low
Vincent
Denise
Keri
Vern

1. Go to http://www.google.com/finance and type the name of your company to look up the price.
(1st type in the name, 2nd click on 1m (for 1 month)

3. Estimate the weekly depreciation (or appreciation) of your stock.
4. Write down what your stock was worth at the beginning 30 day period on your graph.
5. Create a linear model and answer the following questions:
a) Write a linear equation giving the value y of the stock in terms of the days x after the purchase.
b) What will the value of your stock be 2 months from now?
c) What types of things could happen to the company you chose to change your prediction?
d) Sketch the graph and copy the table from your graphing calculator.

Option 3a
Finding a Linear model for American Personal Income p38
(4 people may choose Option 3a)

Martha
Erika
Anna
Ravuth (pending)

Answer all on the questions on example 8 page 38.

For part C choose one of the following dates:
2004, 2005, 2007, 2008

Check on this website to see if your predictions were correct.
http://www.census.gov/compendia/statab/cats/income_expenditures_poverty_wealth/personal_income.html
662 - Personal Income and Its Disposition [Excel 85k] | [PDF 459k]

Explain what may have happened in our country form 2000 - 2007 to affect personal income.

Option 3b
Finding a Linear model for American Average Annual Expenditures p38
(4 people may choose Option 3b)

Answer all on the questions on example 8 page 38.

For part A choose 2000 and 2003 using the information on this website.

http://www.census.gov/compendia/statab/cats/income_expenditures_poverty_wealth/consumer_expenditures.html
668 - Average Annual Expenditures of All Consumer Units by Selected Major Types of Expenditure [Excel 196k] | [PDF 459k]

For part C choose one of the following dates:
2004, 2005, 2006, 2007

Check on the website to see if your predictions were correct.
Explain what may have happened in our country form 2000 - 2007 to affect expenditures.

Option 4
Chapter Opener Problem - The Speed of Light p39
(8 people may choose Option 4)  CLOSED
Joanna - Neptune
Davis - Saturn
Ricky - Mars
Denny - Jupiter
Thanh - Uranus
Betty O - Alpha Centauri
Betty U - Mercury
Stephanie - Venus

For part C chose one of the other 7 planets or alpha centauri the nearest star.
You must look up the light speed from earth your planet or star on google.com before you can complete your project.