# How to solve this algebra problem

Are you ready to practice inequalities by solving these word problems? I do know the answer by now - but - I know you can do it! Due to the nature of the mathematics on this site it is best views in landscape mode. If your device is not in landscape mode many of the equations will run off the side of your device should be able to scroll to see them and some of the menu items will be cut off due to the narrow screen width.

At this point in my career I mostly teach Calculus and Differential Equations. While there is some review of exponents, factoring and graphing it is assumed that not a lot of review will be needed to remind you how these topics work. Here are a couple of warnings to my students who may be here to get a copy of what happened on a day that you missed.

Because I wanted to make this a fairly complete set of notes for anyone wanting to learn algebra have included some material that I do not usually have time to cover in class and because this changes from semester to semester it is not noted here.

Likewise, even if I do work some of the problems in here I may work fewer problems in class than are presented here. Sometimes questions in class will lead down paths that are not covered how to solve this algebra problem. You should always talk to someone who was in class on the day you missed and compare these notes to their notes and see what the differences are.

This is somewhat related to the previous three items, but is important enough to merit its own item. Using these notes as a substitute for class is liable to get you in trouble.

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As already noted not everything in these notes is covered in class and often material or insights not in these notes is covered in class. Here is a listing and brief description of the material that is in this set of notes.

Preliminaries - In this chapter we will do a quick review of some topics that are absolutely essential to being successful in an Algebra class. We review exponents integer and rationalradicals, polynomials, factoring polynomials, rational expressions and complex numbers.

Integer Exponents — In this section we will start looking at exponents. We will give the basic properties of exponents and illustrate some of the common mistakes students make in working with exponents.

Examples in this section we will be restricted to integer exponents. Rational exponents will be discussed in the next section. Rational Exponents — In this section we will define what we mean by a rational exponent and extend the properties from the previous section to rational exponents.

We will also discuss how to evaluate numbers raised to a rational exponent. Radicals — In this section we will define radical notation and relate radicals to rational exponents.

We will also give the properties of radicals and some of the common mistakes students often make with radicals. We will also define simplified radical form and show how to rationalize the denominator. Polynomials — In this section we will introduce the basics of polynomials a topic that will appear throughout this course.

We will define the degree of a polynomial and discuss how to add, subtract and multiply polynomials. Factoring Polynomials — In this section we look at factoring polynomials a topic that will appear in pretty much every chapter in this course and so is vital that you understand it.

We will discuss factoring out the greatest common factor, factoring by grouping, factoring quadratics and factoring polynomials with degree greater than 2. Rational Expressions — In this section we will define rational expressions. We will discuss how to reduce a rational expression lowest terms and how to add, subtract, multiply and divide rational expressions.

Complex Numbers — In this section we give a very quick primer on complex numbers including standard form, adding, subtracting, multiplying and dividing them.

Solving Equations and Inequalities - In this chapter we will look at one of the most important topics of the class. The ability to solve equations and inequalities is vital to surviving this class and many of the later math classes you might take.

We will discuss solving linear and quadratic equations as well as applications. In addition, we will discuss solving polynomial and rational inequalities as well as absolute value equations and inequalities. Solutions and Solution Sets — In this section we introduce some of the basic notation and ideas involved in solving equations and inequalities.

We define solutions for equations and inequalities and solution sets. Linear Equations — In this section we give a process for solving linear equations, including equations with rational expressions, and we illustrate the process with several examples.

In addition, we discuss a subtlety involved in solving equations that students often overlook. Applications of Linear Equations — In this section we discuss a process for solving applications in general although we will focus only on linear equations here. Equations With More Than One Variable — In this section we will look at solving equations with more than one variable in them.

These equations will have multiple variables in them and we will be asked to solve the equation for one of the variables. This is something that we will be asked to do on a fairly regular basis.Algebra problem level 6 for 8 or 9 years old children.

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When I first started teaching, I used to display lists of keywords that students could use to solve word problems. I thought this was the best idea ever.

Give students something to look for when reading word problems to know when to add, subtract, multiply or divide. Genius.

Or so I thought. Different Types of. Practice writing proportions to describe real-world situations. Work through each problem slowly and start by identifying your variables.

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Then write an inequality that represents the problem. Once you've written the inequality, the hard work is done and you are ready to solve! Free math problem solver answers your algebra homework questions with step-by-step explanations.

Solving Word Problems in Algebra - Inequalities Practice