Thursday, February 08, 2007

2/9 Algebra 1 - Solving Systems of Inequalities


In my absence today, we will let the computers do the work.

Today you will see examples of 2 types of problems:

1) How to check a solution to a system of linear inequalities.
2) How to find (graph) a solution to a system of linear inequalities.

To see a video explanation of how to do problems like #1 click here. Watch and listen to the video for Example 1. After watching, test your knowledge by clicking 'Practice' for Example 1. Do the work on a scratch sheet of paper and choose your answer. Click 'Done' when you have your answer. It will tell you if you are right or wrong. After answering a few questions, close the window.

To see a video explanation of how to do problems like #2 click here. Watch and listen to the video for Examples 2 & 3. After watching, test your knowledge by clicking 'Practice' for Examples 2 & 3. Do the work on a scratch sheet of paper and choose your answer. Click 'Done' when you have your answer. It will tell you if you are right or wrong. After answering a few questions, close the window.

You have a handout of notes that I have written up for you, use those along with what you watched on the videos to help you complete your assignment. You will have 45 minutes in the computer lab then you will return to class to work on your assignment.

Homework:
page 803 #'s 36-43 (use graph paper)

2/8 Pre Algebra


Today students learned how to graph using the slope-intercept form of an equation (y=mx+b). In the video above you can see how to graph a line using these two pieces of information. Students took notes over some example problems like the one shown above. We did a worksheet together in class, then students worked on the graded assignment. (Note: Pre-Algebra worksheets are from a book and copyrighted, so I can't post them for download)

Homework:
p. 415-416 #'s 10-12, 14-19, 22-30

2/8 Applied Geometry

Students reviewed today for the Test, which will be on Tuesday.