Search results
Learn about numbers, polynomials, inequalities, functions, graphs, equations, and more in this comprehensive guide to college algebra. Math is Fun! provides clear explanations, examples, exercises, and interactive tools to help you master the basics of algebra.
- Solving Quadratic Inequalities
Math explained in easy language, plus puzzles, games,...
- Maxima and Minima of Functions
Local Maximum and Minimum. Functions can have "hills and...
- Exponents of Negative Numbers
Oh no! We started with minus 3 and ended with plus 3.. When...
- Systems of Linear and Quadratic Equations
A System of those two equations can be solved (find where...
- General Form of a Polynomial
The trouble is: we don't know what letters to end on! So...
- Theorems, Corollaries, Lemmas
Replace b + c with a, we get:. Angle BAC = a° and Angle BOC...
- Solving Quadratic Inequalities
This college algebra introduction / study guide review video tutorial provides a basic overview of key concepts that are needed to do well in a typical algeb...
If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Learn Algebra in this full college course. These concepts are often used in programming.This course was created by Dr. Linda Green, a lecturer at the Univers...
Study algebra online free by downloading OpenStax's College Algebra 2e book and using our accompanying online resources including an algebra study guide.
1.1 Real Numbers: Algebra Essentials. Rational numbers may be written as fractions or terminating or repeating decimals. See Example 1 and Example 2. Determine whether a number is rational or irrational by writing it as a decimal. See Example 3. The rational numbers and irrational numbers make up the set of real numbers. See Example 4. A number ...
Performing calculations with them and using the results to make predictions requires an understanding of relationships among numbers. In this chapter, we will review sets of numbers and properties of operations used to manipulate numbers. This understanding will serve as prerequisite knowledge throughout our study of algebra and trigonometry.
