Applications of Systems of Equations

Comic of the Day

Warm Up and Homework Questions
a) How many solutions does the following system have?


b) If you had exactly 13 coins in your pocket, with only dimes and nickels, how many of each coin might you have?  Make a table of values to keep track of the possibilities.
c) If you had exactly $1 worth of change in your pocket, with only dimes and nickels, how many of each coin might you have?  Make a table of values to keep track of the possibilities.

Announcements & Deadlines

• Thursday's class (8:15-10:10) will be in J208 computer lab
• Homework (41 questions) for unit 6 due Thu, Apr 4 at 23:59
• Quiz 6 (19 questions, 90 min, 2 tries) opens Wed, Apr 3 and closes Thu, Apr 4 at 23:59
• Next unit exam (in class) Fri, Apr 5 (2 hours)

Today - Applications of Systems of Equations
http://www.mathplayground.com/algebraic_reasoning.html
Notes
p. 213-219
Homework #33-41

Tomorrow - Review
Bring homework questions that you are stuck on

For more information
https://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/systems-word-problems/v/algebraic-word-problem
https://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/systems-word-problems/e/systems_of_equations_word_problems
http://patrickjmt.com/word-problem-involving-the-perimeter-of-a-rectangle-%E2%80%93-ex-1/
http://patrickjmt.com/word-problem-involving-the-perimeter-of-a-rectangle-ex-2/