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Wednesday, November 28, 2012

5.6 Intro to Parallel and Perpendicular Lines



Parallel Lines:  SAME SLOPE,  different y intercepts
Perpendicular Lines:  SLOPES ARE OPPOSITE RECIPROCALS, any y intercepts

Opposite reciprocal -  change the sign and flip the number

Here is an additional video containing more examples that are similar to the HW:  http://www.youtube.com/watch?v=IexRuq0DOgI

Tuesday, November 27, 2012

Pre Test for the UNIT #5 TEST on Friday December 1

The UNIT #5 Test over Ch. 1.4-1.6 and 5.1-5.6 will be taken on Friday December 1st.  Students should prepare for this test by completing the pre test that is available via the link below.  A solution key is also attached as the last page of the document.  If you run into any material on the pre test that you need help with, please keep in mind we are available for extra help before or after school. 


Here is the link to the pre test: https://docs.google.com/open?id=0BzJ2Jy-k3iPOYzROWG5sUF9sT1U

Monday, November 26, 2012

5.5 Standard Form To Slope-Intercept Form.mov



To put an equation into slope intercept form:
Keep in mind your goal is to isolate the variable y.
1.  move your x term over by adding or subtracting it
2.  divide to isolate the variable y


5.4 Practice with graphing in slope intercept form

Here is a great practice site for graphing in slope intercept form. 

http://www.ltcconline.net/greenl/java/BasicAlgebra/Linegraph/LineGraph.htm

Tuesday, November 20, 2012

5.4 How to Write Linear Equations Given Two Points eHow com



to write an equation when given 2 points:

Step #1  Find the slope by using the formula   y2 - y1 /  x2 - x1
Step #2   Find your y int by plugging in a point and your slope to y = mx + b.  then solve that equation for b.  

Wednesday, November 14, 2012

PRE QUIZ for 1.4-1.6 and 5.1-5.3

There will be a quiz over 1.4-1.6 and 5.1-5.3 on Friday November 16th.    Here is a pre quiz that covers the concepts that will be on the quiz.   An answer key is also attached so that you may check your answers.   Please keep in mind we are available for extra help before or after school if extra help is needed over the material. 

Link to PRE QUIZ:  https://docs.google.com/open?id=0BzJ2Jy-k3iPOSHh0cjJDNS1aV3M


5.3 Learn and Understand Direct Variation



Here is the teaching powerpoint also for this lesson:  http://www.slideshare.net/cathyguyer/directvariation-1

Monday, November 12, 2012

5.2 Find the Slope Given 2 Ordered Pairs



Here is a great link to a reteaching powerpoint that also covers the material from 5.2:
http://www.slideshare.net/smithj91/3-3-slope

5.2 Given a Graph, Find the Slope.


Friday, November 9, 2012