do now! - dbmathieu.files.wordpress.com€¦04/09/2016 · october 04, 2016 today's agenda: 1)...
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October 04, 2016
DO NOW!1) Take out the 4.1 note guide for Dylan to check.
2) Can you spot the mistake in this problem? What did this person do well?
October 04, 2016
Today's Agenda:1) 4.1: Matrix Operations
2) 4.2: Multiplying Matrices
3) Homework Time - Thank-you card for Dan
October 04, 2016
Remember this problem?
In this chapter, we are going to learn at least three different ways to use matrices to solve systems of equations!
October 04, 2016
Let's try an application!• The figures below give the number (in millions) of CD, download, and DVD
units shipped and the dollar value (in millions) of these shipments.
• 2006: > Number of units - CDs: 20,779, downloads: 15,299, and DVDs: 45> Dollar value - CDs: 268,441, downloads: 122,329, and DVDs: 916
• 2007> Number of units - CDs: 26,277, downloads: 17,799, and DVDs: 70> Dollar value - CDs: 344,697, downloads: 144,634, and DVDs: 1,260
• Use matrices to organize the information, and then write a matrix that gives the change in units shipped and dollar value from 2006 to 2007.
October 04, 2016
Your chance to learn more about your classmates!
Who is __________?We will ask question until the timer ends. Be creative!
Ground Rules:- Inappropriate questions will end the activity. Act responsibly so we can all enjoy the opportunity to get to know each other!
VIPSpotlight
October 04, 2016
Your turn:• Solve your two problems. Then pass your paper to your right.
When you receive a paper, check the answer using your calculator.
October 04, 2016
Concept Check:
Today we learned....
1) How to use matrix operations
2) How to multiply matrices
Update Your Assignment Sheet with Tonight's Homework:
Section 4.1 assignment
Section 4.2 assignment
Assigned: __________ Stamped: _________ Due: __________
Ch. 3 Test Corrections Due ___________
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