Superlesson
Project 2-3
Foundations of Algebra and Geometry
Chapter 2, Communicating Mathematics
Part A, Variables in Expressions
1. Choose four companies and find the value of each company's stock for four consecutive days. Use the information you find to make a table showing the price of the stock each day and how much the stock gained or lost over the previous day.
You can get free stock quotes at eSignal.
Part B, Evaluating Expressions
2. Assume you buy your first stock on Day 1. Let A = price per share of that stock. The broker's fee is $9.95 per transaction no matter how many shares of stock you buy.
a. Record the price of one share of stock in column A.
b. Write each of the following situations as an algebraic expression in column B:
i. 1 share of your stock.
ii. 35 shares of your stock.
iii. 70 shares of your stock and a $9.95 broker's fee.
iv. 110 shares of your stock and a $14.95 broker's fee.
v. 60 shares of your stock and a broker's fee of 10 cents per share bought.
vi. 250 shares of your stock and 1% of the cost of the shares broker's fee.
c. Calculate the answer to the expressions, and record the answers in column C.