## Algebra

Multiplying a polynomial by a polynomial
Linear equations with one unknown
Reduction of algebraic fractions
Algebraic fractions Basic concepts
Main concepts of algebraic fractions
Addition and subtraction of algebraic fractions
Addition and subtraction addition and subtraction of algebraic fractions with different denominators
Multiplication and division of algebraic fractions
Converting rational expressions
The first ideas about solving rational equations
The degree of negative integer exponents
Rational numbers Some of the symbols of mathematical language
Rational numbers as infinite periodic decimal fractions
The concept of the square root of a non-negative number
Irrational numbers
The set of real numbers
The properties of square roots
Conversion expressions containing extraction operation √
The module of a real number and its properties
The geometric meaning of the actual number of the modules
The identity of the root √a² = | a |
The function y = k divide by x and its graph