Algebra & Trigonometry
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We will use the method of substitution and method of elimination to solve the systems in this section. We also discuss a process we can use to find an inverse function and verify that the function we get from this process is, in fact, an inverse function. You can compare your answers against the answer key and even see step-by-step solutions for each problem. We will also introduce interval notation. We also define the domain and range of a function. We will give a procedure for determining which method to use in solving quadratic equations and we will define the discriminant which will allow us to quickly determine what kind of solutions we will get from solving a quadratic equation.

My mission is to make homework more fun and educational, and to help people teach others for free. Most sections should have a range of difficulty levels in the problems although this will vary from section to section. We will also work an example that involved two absolute values. It asks you for the registered email address, and resets a password if you prove that you own the email address. Even Miss Pinkerton, that austere and godlike woman, ceased scolding her after the first time, and though she no more comprehended sensibility than she did Algebra, gave all masters and teachers particular orders to treat Miss Sedley with the utmost gentleness, as harsh treatment was injurious to her.

Involutive algebras generalize the idea of a number system equipped with conjugation, for example the and , over the complex numbers and , and over a and. The quadratic formula is a quick way that will allow us to quickly solve any quadratic equation. Specifically, we will look at factoring and the square root property in this section. We review exponents integer and rational , radicals, polynomials, factoring polynomials, rational expressions and complex numbers. Answering questions helps you sort things out in your mind. A similar construction works for with a , in which case it is called the see Milne's lecture notes on abelian varieties. Our will show you the right answer and a step-by-step solution so you can solve the next one.

We will also take a quick look at using augmented matrices to solve linear systems of equations. Each section has solvers calculators , lessons, and a place where you can submit your problem to our. Lessons and solvers have all been submitted by our contributors! The Arabs studied the Greek classics of Plato and Aristotle while Europe nearly forgot about them. Ask questions on our question board. We give the basic properties and graphs of logarithm functions.

Al-Khwarizmi's own name is the source of another mathematical term in English, algorithm. We will look at their basic properties, applications and solving equations involving the two functions. Click here to learn about and how to. We will also give the properties of radicals and some of the common mistakes students often make with radicals. We introduce the vertex and axis of symmetry for a parabola and give a process for graphing parabolas. We will also discuss inverse functions.

First, we will start discussing graphing equations by introducing the Cartesian or Rectangular coordinates system and illustrating use of the coordinate system to graph lines and circles. You will also gain a deeper insight into Mathematics, get to practice using your new skills with lots of examples and questions, and generally improve your mind. We will also formally define a function and discuss graph functions and combining functions. Easy, very detailed Voice and Handwriting explanations designed to help middle school and high school math students. Note that some sections will have more problems than others and some will have more or less of a variety of problems. If you are in a field that takes you into the sciences or engineering then you will be running into both of these functions. We will introduce the concept of slope and discuss how to find it from two points on the line.

We introduce the standard form of a hyperbola and how to use it to quickly graph a hyperbola. It is the next major step after linear equations where the exponent is 1, like x. Algebra Here are a set of practice problems for the Algebra notes. But you need to be careful as they may not always give you the full story. Note that neither of the three is a complex algebra. In addition, we will introduce the standard form of the line as well as the point-slope form and slope-intercept form of the line. Algebra Help This section is a collection of lessons, calculators, and worksheets created to assist students and teachers of algebra.

However, it may happen that an algebra admits no involution at all. They are simple, yet powerful in their ability to model real world situations. Solving nonlinear systems is often a much more involved process than solving linear systems. Rational exponents will be discussed in the next section. We define solutions for equations and inequalities and solution sets.