1 / 13

Going to the Movies

Going to the Movies . An Introduction to Matrices. The Story. Jordan is the manager of a movie theater. Each week she has to keep track of how many people attend each movie. Jordan must also keep track of how many people attend the discount matinee screenings and the regular priced movies .

neci
Download Presentation

Going to the Movies

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Going to the Movies An Introduction to Matrices

  2. The Story Jordan is the manager of a movie theater. Each week she has to keep track of how many people attend each movie. Jordan must also keep track of how many people attend the discount matinee screenings and the regular priced movies . She organizes the information in a spreadsheet.

  3. Enter the Matrix • Jordan gathers the following information on Monday: • There are six movies screening in the theater, we’ll call them A, B, C, D, E and F.

  4. Enter the Matrix How many people attended movie C and paid full price? How many people attend the matinee of movie E? How many people went to the matinee on Monday?

  5. Enter the Matrix • Another way of describing the table is called a MATRIX. • A Matrix is made of rows and columns. • What did the rows represent? • What did the columns represent? • How else could Jordan use the information in the matrix?

  6. Enter the Matrix Another way to represent a matrix is below. What do you see?

  7. Going to the Movies • Here is the information about movie attendance on Tuesday. How can Jordan figure out how many total people have attended each movie for the week so far?

  8. Adding

  9. What did you get?

  10. Going to the Movies Jordan’s company runs a special movie day with different prices every Wednesday. Jordan does not want the data from Wednesday included with the totals for the rest of the week. Look at the information she has collected and find a solution.

  11. Going to the Movies • Weekly total attendance • Wednesday Attendance

  12. What did you get?

  13. It’s a Wrap! • What are the rules for adding matrices? • What are the rules for subtracting matrices? • Will the rules always work? • Can you give an example of two different matrices that you CANNOT add or subtract?

More Related