CSCI 101: Intro to Computer Science

Solutions to Assignment 2

1. (15 points)   Use a graphic calculator or Maple software to solve the equation x³ + 4x² - 6x - 5 = 0.

   Solution

   To solve the equation with Maple you can enter the following command line:
   evalf(solve(x^3 + 4*x^2 - 6*x - 5 = 0, x));

   The computer then returns the following roots:
   1.618034
   -5.000000
   -0.618034
   

2. (30 points)   Use Microsoft Word to produce the layout of the document specified in Part 1 of Lab 2.1.
   
   • The first line has to be aligned to the right and use a 16-point font. The rest of the document should use a 12-point font.
   • The words TO and FROM appeared in lines 2 and 3 must be in bold, and these two lines must be aligned to the left.
   • Split the text in two paragraphs. The second paragraph must start with "I am sure ...". The paragraphs must be separated by a blank line.
   • The text in two paragraphs of the note must be aligned to the right and to the left.
   • The signature must be italized and separated from the note by a blank line.
   • Correct all misspelled words.
   • Fix the spacing in the memo.
   • Customize the memo to include your name and the name of your favorite instructor.

   Solution

   Check the document here.

3. (30 points)   Use Microsoft Excel to create a spreadsheet described in Part 2 of Lab 2.2.

   Solution

   Check the spreadsheet here.