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Question 422879: slope the line through (1/2,5) and (2 1/2,1)
Answer by rapaljer(4671)   (Show Source):
You can put this solution on YOUR website! The slope of a line is the RISE OVER the RUN. It's the DIFFERENCE in the y coordinates divided by the DIFFERENCE in the x coordinates.
In this case slope = 
Slope = 
Check out my own explanation of SLOPE on my own website! To find my website, just click on my tutor name "Rapaljer" anywhere in algebra.com. There you will find a link that takes you right to my Homepage. From my homepage, look for the link "Basic, Intermediate, and College Algebra", then select "Basic Algebra". The Graphing and Slope explanations are in Chapter 4, so look for Section 4.05 which is called "More Slope". If you need help also with Graphing and Slope of a Line, this explanation is at the beginning of Chapter 4. Here you will find my own "user-friendly" explanations, examples, exercises, ALL with answers too. My own students used to tell me that these are a LOT easier to understand than the traditional textbooks that were written by mathematicians for other mathematicians and publishers! What I have to offer is completely FREE!
Many of the problems in my sections are solved in detail in the corresponding "MATH IN LIVING COLOR" pages. (In fact, the fast way to find my website is to do a Google search for "Math in Living Color", and then take the link at the bottom of this page to go back to my Homepage.)
There is also a VIDEO on the topic of Graphing and Slope of a Line (and also on a variety of other topics!) of me teaching in my classes before I retired. Best of all, it's all FREE!
Dr. R^2
Dr. Robert J. Rapalje
Seminole State College of Florida
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