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# Algebra

## Rewriting radicals into exponential form

We can rewrite every radical as an exponent. Frequently this step helps easily to solve the task of complex radicals.

Continue reading · 2021-08-02

## Infinite geometric sequence sum formula and examples

If we have geometric sequence, where $-1 < q < 1$, $q\neq 0$ and number of terms goes to infinity, it is called infinite geometric serie.

Continue reading · 2021-07-29

## Geometric sequence formulas and examples

A sequence of numbers where each term after the first is got by multiplying the previous one by a fixed number. That number is called the common ratio.

Continue reading · 2021-07-29

## Arithmetic sequence formulas and examples

A sequence of numbers such that the difference between the consecutive terms is a constant is called arithmetic progression or arithmetic sequence.

Continue reading · 2021-07-29

## Simplifying square roots with absolute value

The absolute value $|a|$ of a real number $a$ may be thought of as its distance from zero (From geometry point of view).

Continue reading · 2021-07-28

## Quadratic equations. Vieta's formulas and examples

The solutions $x_1$ and $x_2$ of the quadratic equation $ax^2+bx+c=0$ can be found by special Vieta’s formulas.

Continue reading · 2021-07-27

## Basic laws of calculating exponents and examples

Get to know the math exponents, their basic properties and review some examples of using that.

Continue reading · 2021-07-27

## Basic properties of radicals and examples

Get to know the roots of math with their basic properties and review some examples of using that.

Continue reading · 2021-07-26

## Factoring rules in algebra

Factoring is the math process of finding the factors. It can be called like finding what you have to multiply together to get an previous expression.

Continue reading · 2020-12-01

## Linear equations [Formulas and examples]

In this article we use the most common form of linear equation where m is slope and c is y-intercept.

Continue reading · 2020-11-29

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