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Table of Contents
Algebraic Expressions Topics
Algebraic Expressions explanations, examples, practice problems. Ready? Let’s do this.
A variable is a letter, such as x or y, that represents a number. Another way of thinking about it is that a variable is "code" for a number. Mathematicians can spend hours at a party talking to on...
Expressions and Equations
In the English language there are phrases and there are sentences, as you know. A phrase is a string of words that expresses a thought but does not form a complete sentence. A sentence is a grammat...
Combining Like Terms
You probably don't keep bananas in your sock drawer or toothpaste on your bookshelf. If you do, we can recommend a good therapist. Aside from it being an awful hassle to run from the bookshelf...
Equations, Functions, and Formulas
What are these expression things good for, anyway? You can't have equations and formulas without them. Without equations and formulas, the whole world pretty much falls apart.
Applications to Toolbox
Why did we create this toolbox of rearranging expressions into equivalent expressions? Seems pointless, doesn't it? Rest assured, there is a point. Here it is:If you have two expressions...
Formulas wouldn't tell us squat if we couldn't then turn around and apply them to situations in the real world. Fortunately, we can do just that. Formulas can help us figure out how to deal with, p...
Okay, now how do you use all this new-found knowledge to do something practical? There are a bazillion ways (estimated) to use formulas, but one common one is unit conversion, the converting o...
In the Real World
I Like Practical Stuff; Why Should I Care?Hey, we like practical stuff, too! The great thing is that all of these formulas can be applied to real-world situations. That's good news if you live in t...
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