Review, geometric analysis, examples

## General principles in practice

The following exercises are solved in this step. We invite you to try to solve them before watching the video. In any case, you will find below a PDF file …

## General principles

Equivalence of inequalities, products, complementarity

## Equations with absolute values in practice

The following exercises are solved in this step. We invite you to try to solve them before watching the video. In any case, you will find below a PDF file …

## Equations with absolute values

Three main types of equations, the need to consider the domain

## Equations involving several radicals in practice

The following exercises are solved in this step. We invite you to try to solve them before watching the video. In any case, you will find below a PDF file …

Two main types of equation, a change of variables

## Equations involving a radical in practice

The following exercises are solved in this step. We invite you to try to solve them before watching the video. In any case, you will find below a PDF file …

The domain-sensitive approach, ignoring the domain, solving for dependent variables

## Equations in several variables in practice – The NON linear case

The following exercises are solved in this step. We invite you to try to solve them before watching the video. In any case, you will find below a PDF file …

## Equations in several variables in practice – The linear case

The following exercises are solved in this step. We invite you to try to solve them before watching the video. In any case, you will find below a PDF file …

## The determinant and substitution methods

The determinant, substitution, a nonlinear example

## Systems

Systems in two variables, elimination, examples

## Polynomial equations in practice

The following exercise is solved in this step. We invite you to try to solve it before watching the video. In any case, you will find below a PDF file …

## Polynomial equations

Root finding methods (review), some equations of special type