Polynomial factorization: types, examples and exercises.

Polynomial factorization: types, examples and exercises. Factorization is a process used in mathematics that consists of representing a number or an expression as a product of factors. By writing a polynomial as the multiplication of other polynomials, we can often simplify the expression. Common Factor in Evidence We use this type of factorization when there is… READ MORE

Number sequence: all matter

In mathematics numerical sequence or numerical succession corresponds to a function within a group of numbers. In this way, the elements grouped in a numerical sequence follow a sequence, that is, an order in the set. Classification Number sequences can be finite or infinite, for example: SF = (2, 4, 6, …, 8) … READ MORE

High School Math Formulas

High school math formulas. Mathematical formulas represent a synthesis of the development of reasoning and are made up of numbers and letters. Knowing them is necessary to solve many problems that are charged in the competitions and in Enem, mainly because it often reduces the time to solve a problem. However, just decorating the formulas... READ MORE

Equivalent Fractions: How to Find and Simplify

Think of puzzle games – each and every puzzle game is made up of multiple pieces that make up a whole number, right? In mathematics, we see the concept of a fraction: a part of a whole that can be represented geometrically or numerically. We can divide the whole into several parts that will represent different... READ MORE

Division - What is and how to divide?

Dividing whole numbers is the same as dividing numbers evenly. In the divided operation, the dividend is what is called the number to be divided, while the divisor is the number that the calculation divides, and the quotient is the result of the operation. In such a way that in a division we have: 15: … READ MORE

Unknown number: solving without complications

Unknown number: solving without complications. We are constantly faced with calculations involving natural numbers, which are addition, subtraction, multiplication and division. Learning how to perform operations is very important, but if you are having trouble finding the solution and you don't know how to use operations, it won't do you any good. In addition to calculating, therefore, it is… READ MORE

Learn about the usefulness of fractions in everyday life.

The quickest and easiest definition for a fraction is that it represents the part of a whole (whole). For this reason, although it does not attract much attention, it can be used very emphatically in people's daily lives. It is a numerical representation of the quantity, being possible to carry out operations such as addition, subtraction, multiplication and division. … READ MORE

Learn to add more than two numbers

Addition represented by the + sign, as well as subtraction (-), multiplication (x), and division (/), are part of the group of basic algebra operations. In this text, we will only deal with addition and understand how to use it in the easiest way possible. This part of mathematics is always present in our… READ MORE

Learn about the multiples and submultiples of the meter

Learn who are the multiples and submultiples of the meter. The need to measure is as old as the need to count, since it was necessary to create a measurement standard that would work and always indicate the same value. In the past, the size of the hand or arm was used as a measure. However, … READ MORE

What are monomials and what are they for? Learn now

  Posted by Débora Silva Monomial, or algebraic term, is any algebraic expression that only has the multiplication between numbers and unknowns (letters that represent unknown numbers). It is the simplest form of algebraic expression and can be understood as a polynomial containing only one term. The application of concepts on monomials ranges from … READ MORE

Benefits of studying math

Mathematics and all its calculations, numbers, logics and formulas are the vile discipline of many students. However, if on the one hand it is difficult, on the other it acts on regions of the brain that help students in unimaginable areas. Find out what are the benefits of studying mathematics now Mathematics emerged thousands of years ago… READ MORE

Divided Times Table: Benefits of Studying

A math is really a fascinating discipline! It is so present in our lives that we don't even know it: in food, in transportation, in buildings, in our clothes… Virtually everything around us went through a numerical process at some point until it reached our hands. Then know table of … READ MORE

Add tables: benefits of studying

Have you ever thought how many times a day you need numbers to help you with your tasks? Math is everywhere: food, shopping, costumes, plays, technology and everything you can imagine. That is why Studying the addition table has many benefits. The multiplication table “more” is present in our daily life… READ MORE

Subtraction table (minus): benefits of studying

The benefits of studying subtraction table are very relevant in the life of a student. To give you an idea, mathematics is capable of not only stimulating children's intelligence, but also influencing their good performance in other disciplines. Chemistry and physics, for example, need to be put into … READ MORE

What are decimal numbers?

Decimal numbers are non-integer rational numbers (Q) expressed by commas and having decimal places, for example: 1.54; 4.6; 8.9 etc They can be positive or negative. Decimal places are counted from the comma, for example, the number 12,451 has three decimal places, that is, three digits after the comma. … READ MORE

Matrix types: all matter

Array types include the different ways to represent its elements. They are classified as: row, column, null, square, transpose, opposite, identity, inverse and equal. Definition of matrix First of all, we must pay attention to the concept of matrix. It is a mathematical representation that includes in lines (horizontal) and columns (vertical) some natural numbers other than … READ MORE

Equivalent fractions with exercises

The Equivalent fractions are those that are apparently different, but have the same result. Therefore, they represent the same part of a whole that indicates the same quantity. Basics First of all, we must remember that in fractions, the number located above is called the numerator and what is below is a denominator: 2/4 … READ MORE

Inverse matrix calculation: properties and examples

Mathematics and Physics Teacher The inverse matrix or invertible matrix is ​​a type of square matrix, that is, it has the same number of rows (m) and columns (n). Occurs when the product of two matrices results in an identity matrix of the same order (same number of rows and columns). Therefore, … READ MORE

Algebraic expressions: all matter

Mathematics and Physics Teacher Algebraic expressions are mathematical expressions that show numbers, letters, and operations. Such expressions are often used in formulas and equations. The letters that appear in an algebraic expression are called variables and represent an unknown value. The numbers written in front of the letters are called coefficients and must... READ MORE

Polynomials: definition, operations and factoring

Polynomials are algebraic expressions made up of numbers (coefficients) and letters (literal parts). The letters of a polynomial represent the unknown values ​​of the expression. Examples a) 3ab + 5 b) x3 + 4xy – 2x2y3 c) 25×2 – 9 years2 Monomial, Binomial and Trinomial. Polynomials are made up of terms. The only transaction between... READ MORE

Complex numbers: definition, operations and exercises.

Complex numbers are numbers made up of a real part and an imaginary part. They represent the set of all ordered pairs (x, y), whose elements belong to the set of real numbers (R). The set of complex numbers is denoted by C and defined by operations: Equality: (a, b) = (c, d) ↔ a = … READ MORE

First, second and third order determinants

The determinant is a number associated with a square matrix. This number is found by performing certain operations on the elements that make up the array. We indicate the determinant of a matrix A by det A. We can also represent the determinant by two bars between the elements of the matrix. First Order Determinants The determinant... READ MORE

How to add and subtract fractions?

Fractions represent parts of a whole. From them, you can perform addition, subtraction, multiplication and division operations. The addition and subtraction of fractions is done by adding or subtracting the numerators, depending on the operation. As for the denominators, as long as they are the same, they maintain the same base. Remember that in fractions,... READ MORE

Transpose matrix: definition, properties and exercises

The transpose of a matrix A is a matrix that has the same elements as A, but is placed in a different position. It is obtained by transposing the elements of the lines from A to the columns of the transposition in an ordered manner. Therefore, given a matrix A = (laij)mxn the … READ MORE

Matrices and determinants: all matter

Matrices and Determinants are concepts used in mathematics and in other areas such as computer science. They are represented in the form of tables that correspond to the union of real or complex numbers, organized in rows and columns. Matrix A Matrix is ​​a set of elements arranged in rows and columns. The lines are... READ MORE

Factorial numbers: all matter

Factorial is a positive natural integer, which is represented by n! The factorial of a number is calculated by multiplying that number by all of its predecessors until it reaches the number 1. Note that in these products, zero (0) is excluded. The factorial is represented by: n! = no. (n – 1) (n – … READ MORE

Identity matrix: concept and properties

An identity matrix or unit matrix, denoted by the letter Yo, is a type of square and diagonal matrix. This is because all the elements on the main diagonal are equal to 1 and the rest are equal to 0. Remember that the square matrix is ​​one that has the same... READ MORE

Rectangle and square area

Area is a region bounded by the sides of a polygon. It is widely used in people's daily life, for example, when measuring land or space. The value of an area varies according to its shape. Each polygon has its own particular shape, so each one has a different shape of... READ MORE

Combination of numbers: simple combination calculations

Combination of numbers: simple combination calculations. Math is so common in our daily lives that we often don't even realize how essential it is and how we use it on a daily basis. Have you ever imagined what it would be like if the houses had no number? The postman would have a hard time knowing who lives... READ MORE

Division by zero - How to solve it?

Have you ever tried to divide any number by zero? I don't know how. Let's do a test. Open your calculator on your computer and try dividing any number you like by zero. So what is the result? Probably a message appeared in the calculator, saying that it is impossible to divide by zero. But why not … READ MORE

Least common multiple (MMC)

Have you heard of MMC? When we start to study the four mathematical operations, this topic is seen from the beginning, but what exactly is MMC and what is it for? Can you tell me what do you think of seeing a little more on this topic? The least common multiple, better known as MMC, is the smallest of... READ MORE

Pythagorean theorem: concepts and uses of the theorem

Pythagoras of Samos, better known simply as Pythagoras, was a Greek philosopher and mathematician who lived about 2.500 years ago. He is said to be responsible for discovering and proving a relationship between the size of the sides of right triangles and the area of ​​squares, having developed the so-called Pythagorean Theorem, considered… READ MORE

Square root: what is it, perfect squares and empty radicals

The square root is a mathematical operation, as is multiplication, division, addition, and addition. In the square root we have to find out what number squared will give the result that is inside the root. That is, we need to find the number that, multiplied by itself, gives the expected result. Radical empty Every time… READ MORE

Real test: addition, subtraction, multiplication and division

Did you know that after solving the addition, subtraction, multiplication or division, we can correct the accounts ourselves to see if they are correct or incorrect before showing them to the teacher? It is the same! You can correct your accounts yourself to see if you are wrong or correct. This is called actual testing, and not... READ MORE

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