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Quadratic Functions Basics
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Solving Quadratic Equations
A quadratic equation takes the form:
ax2 + bx + c = 0
This is not a clear explanation so far in my books, so let's try and describe them a bit further. Let's first explain that a,b and c can be any number depending on what the question dictates. x is also a number, which when inserted into the equation, proves the equation to be true. It is x which we are trying to find out to obtain the final answer to solve the equation.
To explain the above equation even further:
a multiplied by x multiplied by x
plus
b multipliedby x
plus
c
is equal to 0
New Engineering Courses ... New Site
One of my Google Search Bots (RSS enabled - see my tutorials) turned up a new engineering education site, which in additional to the normal content (MIT OCW) has some other good material. I recommend a visit to the iBerry Academic Porthole. Here is a link to the courses which include video lectures. The site is run by a retired academic from the United Kingdom. Here are the three courses which were new to me: (added to my wiki and search engine) Note: These descriptions are quoted from iBerry
This Week's Finds in Mathematical Physics (Week 261)
Also available as http://math.ucr.edu/home/baez/week261.html March 19, 2008 This Week's Finds in Mathematical Physics (Week 261) John Baez Sorry for the long pause! I've been busy writing. For example: a gentle introduction to category theory, focusing on its role as a "Rosetta Stone" that helps us translate between four languages: 1) John Baez and Mike Stay, Physics, topology, logic and computation: a Rosetta Stone, to appear in New Structures in Physics, ed. Bob Coecke. Availabl
Donald Knuth: Calculus via O notation
Continuing the theme of alternative approaches to teaching calculus, I take the liberty of posting a letter sent by Donald Knuth to to the Notices of the American Mathematical Society in March, 1998 (TeX file). Professor Anthony W. Knapp P O Box 333 East Setauket, NY 11733 Dear editor, I am pleased to see so much serious attention being given to improvements in the way calculus has traditionally been taught, but I’m surprised that nobody has been discussing the kinds of changes that I per
Tuesday, 5/6/08
Tuesday, 5/6/08 1) Frogs, Fleas and Painted Cubes (Quadratic Functions) unit test tomorrow. 2) Complete problem set on simplifying radical expressions handout. 3) Beat the Basics practice set #1 due Friday. Original post by mboehm Array Comments Off
