Using RREF

Using RREF (Reduced Row Echelon Form)

Example: What is the STANDARD FORM for these equations?

becomes Note the traditional standard form: 3x – y = 1 Now, follow the steps in your packet. What is the solution? Answer: (1, 2)

HSA Practice: • At a barbecue stand at the city fair, two groups placed the orders shown In the table below. Based on this information, what is the price, in dollars, of a BBQ Platter? Answer: $6.50

2) At a baseball game, Sam bought 2 hamburgers and 1 order of French fries for a total of $3.75. Erica bought 1 hamburger and 2 orders of French fries for a total of $3.00. Let x = number of hamburgers. Let y = number of French fries. Write an equation that represents Sam’s total cost. Write an equation that represents Erica’s total cost.

What is the cost of one hamburger? Answer: $1.50 What is the cost of one order of French fries? Answer: $.75

The End

Using RREF

Using RREF

Presentation Transcript

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9/11 More systems of equations: RREF etc Augmented matrix of a system Use Row operations

Using

APPLICATIONS OF REF/RREF

USING

using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication1 {