<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD MathML 2.0//EN"
"../motor/em.dtd">
<?xml-stylesheet type="text/xsl" href="../motor/pmathml.xsl"?>
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:pref="http://www.w3.org/2002/Math/preference"
pref:renderer="mathplayer">
<head>
<title>EMTeachline algebra software - algebra equations - solutions tests</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"></meta>
<meta name="keywords" content="mathematics,math, interactive, mathematics software, problem solving, learning, training, homeschooling, distant learning, educational multilingual software, self-study ed, training programs, problem solving lessons, free downloads, math tutoring, algebra, hyperbolic trigonometry, arithmetic, pre-calculus, solving algebraic inequalities, trigonometric equations, proving trigonometric algebraic identities, math formulas proof, didactic, math test authoring tools, customizable math tests, problem solving lesson plans, solution methods, MathML"></meta>
<meta name="description" content="EMTeachline mathematics software offers interactive problem solving lessons with hands-on math tutorials and math test authoring tools. Arithmetic, algebra I, algebra II, trigonometry, hyperbolic trigonometry."></meta>
<link rel="stylesheet" href="../main.css" type="text/css"></link>
</head>
<body  bgcolor="#FFFFFF" text="#336699" link="#003399" vlink="#666666" alink="#FF0000" rightmargin="0" leftmargin="0" topmargin="0" marginwidth="15" marginheight="15" background="../../../../button/emlogobg.jpg">
<table border="0" cellpadding="0" cellspacing="0" width="100%" >
<tr background="../../../../button/menu_bg.gif">
<td background="../../../../button/menu_bg.gif" width="36">
<img src="../../../../button/top_lib.gif" border="0" hspace="0" align="middle" ></img>
</td>
<td background="../../../../button/menu_bg.gif" align="left" >
<table border="0" cellpadding="0" cellspacing="0" >
<tr>
<td>
<a href="http://www.emteachline.com" target="_parent" 
 onMouseOver="document.img070.src='../../../../button/teachline_demo_eng_2.gif'"
 onMouseOut="document.img070.src='../../../../button/teachline_demo_eng_1.gif'">
<img name="img070" hspace="0" border="0" alt="Emteachline"
 src="../../../../button/teachline_demo_eng_1.gif"  height="30"></img>
</a></td>
<td>
<a href="../../../main.htm" target="_parent"
 onMouseOver="document.img071.src='../../../../button/software_demo_eng_2.gif'"
 onMouseOut="document.img071.src='../../../../button/software_demo_eng_1.gif'">
<img name="img071" hspace="0" border="0" alt="Software"
 src="../../../../button/software_demo_eng_1.gif"  height="30"></img>
</a></td>
<td>
<a href="../../../fc_online.htm" target="_parent"
 onMouseOver="document.img072.src='../../../../button/demo_demo_eng_2.gif'"
 onMouseOut="document.img072.src='../../../../button/demo_demo_eng_1.gif'">
<img name="img072" hspace="0" border="0" alt="Demo"
 src="../../../../button/demo_demo_eng_1.gif"  height="30"></img>
</a></td>
<td>
<a href="../../../arithmetic_1_/base/0/v0.xml" target="_parent" 
 onMouseOver="document.img073.src='../../../../button/contents_demo_eng_2.gif'"
 onMouseOut="document.img073.src='../../../../button/contents_demo_eng_1.gif'">
<img name="img073" hspace="0" border="0" alt="CONTENTS"
 src="../../../../button/contents_demo_eng_1.gif"  height="30"></img>
</a></td>
<td>
<a href="../../../example/algebra_equations/1/0.xml" target="_parent"
 onMouseOver="document.img074.src='../../../../button/examples_demo_eng_2.gif'"
 onMouseOut="document.img074.src='../../../../button/examples_demo_eng_1.gif'">
<img name="img074" hspace="0" border="0" alt="EXAMPLES"
 src="../../../../button/examples_demo_eng_1.gif"  height="30"></img>
</a></td>
<td>
<a href="../../../embook/base/0/v0.xml" target="_parent"
 onMouseOver="document.img075.src='../../../../button/solution_demo_eng_2.gif'"
 onMouseOut="document.img075.src='../../../../button/solution_demo_eng_1.gif'">
<img name="img075" hspace="0" border="0" alt="EMSOLUTION"
 src="../../../../button/solution_demo_eng_1.gif"  height="30"></img>
</a></td>
<td>
<a href="../../../embtut/base/0/v0.xml" target="_parent" 
 onMouseOver="document.img076.src='../../../../button/mentor_demo_eng_2.gif'"
 onMouseOut="document.img076.src='../../../../button/mentor_demo_eng_1.gif'">
<img name="img076" hspace="0" border="0" alt="EMMENTOR"
 src="../../../../button/mentor_demo_eng_1.gif"  height="30"></img>
</a></td>
<td>
<a href="../../../method_7/base/v_0_0.xml" target="_parent"
 onMouseOver="document.img077.src='../../../../button/techniqes_demo_eng_2.gif'"
 onMouseOut="document.img077.src='../../../../button/techniqes_demo_eng_1.gif'">
<img name="img077" hspace="0" border="0" alt="TECHNIQUES"
 src="../../../../button/techniqes_demo_eng_1.gif"  height="30"></img>
</a></td>
<td>
<a href="../../../box/0.xml" target="_parent" class="toplink"
 onMouseOver="document.img078.src='../../../../button/analysis_demo_eng_2.gif'"
 onMouseOut="document.img078.src='../../../../button/analysis_demo_eng_1.gif'">
<img name="img078" hspace="0" border="0" alt="ANALYSIS"
 src="../../../../button/analysis_demo_eng_1.gif"  height="30"></img>
</a></td>
</tr>
</table>
</td>
<td align="right" background="../../../../button/menu_bg.gif"><div  align="Right" >
<table border="0" cellpadding="0" cellspacing="0" >
<tr>
<td>
<a href="../../../../eng/embook/base/1/v0.xml" target="_parent"
 onMouseOver="document.img079.src='../../../../button/english_demo_eng_2.gif'"
 onMouseOut="document.img079.src='../../../../button/english_demo_eng_1.gif'">
<img name="img079" hspace="0" border="0" alt="English"
 src="../../../../button/english_demo_eng_1.gif"  height="30"></img>
</a></td>
<td>
<a href="../../../../de/embook/base/1/v0.xml" target="_parent"
 onMouseOver="document.img0710.src='../../../../button/german_demo_eng_2.gif'"
 onMouseOut="document.img0710.src='../../../../button/german_demo_eng_1.gif'">
<img name="img0710" hspace="0" border="0" alt="German"
 src="../../../../button/german_demo_eng_1.gif"  height="30"></img>
</a></td>
</tr>
</table>
</div>
</td>
</tr>
</table>
<br></br>
<table width="100%">
<tr>
<td width="18">
</td>
<td>
<h1>
EMTask online - Math tests with solutions - Algebra
</h1>
This&#x00A0;&#x000D;page&#x00A0;&#x000D;was&#x00A0;&#x000D;created&#x00A0;&#x000D;by&#x00A0;&#x000D; <a href="../../../fc89.htm" target="_parent">EMTask_Algebra</a>
</td>
<td valign="right">
<div align="right">
<a href="../../../fc56.htm" target="_parent">
<img src="../image/baynew.gif"  border="0" align="absmiddle" alt="topic"></img>
</a>
</div>
</td>
</tr>
</table>
<br></br>
<table width="100%">
<tr>
<td width="18">
</td>
<td>
These&#x00A0;&#x000D;pages&#x00A0;&#x000D;give&#x00A0;&#x000D;you&#x00A0;&#x000D;an&#x00A0;&#x000D;insight&#x00A0;&#x000D;into&#x00A0;&#x000D;two&#x00A0;&#x000D;functions&#x00A0;&#x000D;of&#x00A0;&#x000D;EMTask&#x00A0;&#x000D;-&#x00A0;&#x000D;preparation&#x00A0;&#x000D;of&#x00A0;&#x000D;variant&#x00A0;&#x000D;tests&#x00A0;&#x000D;and&#x00A0;&#x000D;solution&#x00A0;&#x000D;of&#x00A0;&#x000D;math&#x00A0;&#x000D;problems.&#x00A0;&#x000D;Detailed&#x00A0;&#x000D;demonstration&#x00A0;&#x000D;of&#x00A0;&#x000D;test&#x00A0;&#x000D;authoring&#x00A0;&#x000D;functions&#x00A0;&#x000D;requires&#x00A0;&#x000D;large&#x00A0;&#x000D;connected&#x00A0;&#x000D;databases&#x00A0;&#x000D;of&#x00A0;&#x000D;math&#x00A0;&#x000D;problems&#x00A0;&#x000D;and&#x00A0;&#x000D;therefore&#x00A0;&#x000D;is&#x00A0;&#x000D;not&#x00A0;&#x000D;possible&#x00A0;&#x000D;online.&#x00A0;&#x000D;Shown&#x00A0;&#x000D;are&#x00A0;&#x000D;8&#x00A0;&#x000D;algebraic&#x00A0;&#x000D;tests&#x00A0;&#x000D;with&#x00A0;&#x000D;solutions&#x00A0;&#x000D;from&#x00A0;&#x000D;EMTask.&#x00A0;&#x000D;The&#x00A0;&#x000D;actual&#x00A0;&#x000D;EMTask&#x00A0;&#x000D;offers&#x00A0;&#x000D;a&#x00A0;&#x000D;large&#x00A0;&#x000D;bank&#x00A0;&#x000D;of&#x00A0;&#x000D;math&#x00A0;&#x000D;problems&#x00A0;&#x000D;with&#x00A0;&#x000D;an&#x00A0;&#x000D;easy&#x00A0;&#x000D;access&#x00A0;&#x000D;by&#x00A0;&#x000D;topics&#x00A0;&#x000D;and&#x00A0;&#x000D;bookmarks,&#x00A0;&#x000D;provides&#x00A0;&#x000D;you&#x00A0;&#x000D;with&#x00A0;&#x000D;dozens&#x00A0;&#x000D;of&#x00A0;&#x000D;ready&#x00A0;&#x000D;variant&#x00A0;&#x000D;tests&#x00A0;&#x000D;and&#x00A0;&#x000D;enables&#x00A0;&#x000D;you&#x00A0;&#x000D;to&#x00A0;&#x000D;create&#x00A0;&#x000D;your&#x00A0;&#x000D;own&#x00A0;&#x000D;variant&#x00A0;&#x000D;tests,&#x00A0;&#x000D;exams&#x00A0;&#x000D;and&#x00A0;&#x000D;homeworks&#x00A0;&#x000D;of&#x00A0;&#x000D;varied&#x00A0;&#x000D;complexity&#x00A0;&#x000D;in&#x00A0;&#x000D;a&#x00A0;&#x000D;minute.&#x00A0;&#x000D;All&#x00A0;&#x000D;EMTeachline&#x00A0;&#x000D;programs&#x00A0;&#x000D;offer&#x00A0;&#x000D;this&#x00A0;&#x000D;set&#x00A0;&#x000D;of&#x00A0;&#x000D;functions;&#x00A0;&#x000D;EMTask,&#x00A0;&#x000D;however,&#x00A0;&#x000D;is&#x00A0;&#x000D;the&#x00A0;&#x000D;cheapest&#x00A0;&#x000D;one&#x00A0;&#x000D;among&#x00A0;&#x000D;them.&#x00A0;&#x000D;At&#x00A0;&#x000D;the&#x00A0;&#x000D;bottom&#x00A0;&#x000D;of&#x00A0;&#x000D;this&#x00A0;&#x000D;page&#x00A0;&#x000D;we&#x00A0;&#x000D;offer&#x00A0;&#x000D;you&#x00A0;&#x000D;to&#x00A0;&#x000D;try&#x00A0;&#x000D;examples&#x00A0;&#x000D;of&#x00A0;&#x000D;learning&#x00A0;&#x000D;techniques&#x00A0;&#x000D;and&#x00A0;&#x000D;see&#x00A0;&#x000D;examples&#x00A0;&#x000D;of&#x00A0;&#x000D;performance/error&#x00A0;&#x000D;analysis&#x00A0;&#x000D;available&#x00A0;&#x000D;in&#x00A0;&#x000D;the&#x00A0;&#x000D;program&#x00A0;&#x000D;EMMentor.&#x00A0;&#x000D;
</td>
</tr>
</table>
<br></br>
<table border="0" cellpadding="0" cellspacing="0">
<tr background="../../../../button/menu_bg.gif">
<td width="18">
</td>
<td>
<img src="../../../../button/menu_bg_left.gif"  border="0" align="absmiddle" alt="topic"></img>
</td>
<td background="../../../../button/menu_bg.gif" height="30"> 
<table width="262" ><tr><td width="150"><b>Test</b></td><td width="24" class="tableh1"><div align="center"><a href="../0/v0.xml" target="_parent"><b>1</b></a></div></td><td width="24" class="tableh1"><div align="center"><a href="../0/v1.xml" target="_parent"><b>2</b></a></div></td><td width="24" class="tableh1"><div align="center"><a href="../0/v2.xml" target="_parent"><b>3</b></a></div></td><td width="24" class="tableh1"><div align="center"><a href="../0/v3.xml" target="_parent"><b>4</b></a></div></td><td width="24" class="tableh1"><div align="center"><b><font color="FF9900">5</font></b></div></td><td width="24" class="tableh1"><div align="center"><a href="../1/v1.xml" target="_parent"><b>6</b></a></div></td><td width="24" class="tableh1"><div align="center"><a href="../1/v2.xml" target="_parent"><b>7</b></a></div></td><td width="24" class="tableh1"><div align="center"><a href="../1/v3.xml" target="_parent"><b>8</b></a></div></td></tr></table>
</td>
<td width="50" background="../../../../button/menu_bg.gif" height="30">
</td>
<td align="right"  background="../../../../button/menu_bg.gif">
<a href="jawascript:void(0)" onClick="window.open('../../../help_demo.htm','WindowName','width=600,height=520,scrollbars=yes,resizable=yes,toolbar=no,status=no'); return false;">
<b>
Help
</b>
</a>
</td>
<td width="10" background="../../../../button/menu_bg.gif" height="30">
</td>
<td>
<img src="../../../../button/menu_bg_right.gif"  border="0" align="absmiddle" alt="topic"></img>
</td>
</tr>
</table>
<table width="100%">
<tr>
<td width="18">
</td>
<td>
<p><b>
<font color="FF9900">
Test - 5
</font>
</b></p>
<b>1. Check the validity of inequality, given the value of the argument a=0,672;</b>
<table width="100%">
<tr>
<td>
<a href="v0_0.xml" target="_parent">
<img src="../image/detail5.gif"  border="0" align="absmiddle" alt="detail"></img></a>
</td>
<td width="95%">
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
<mrow>
<mrow><mfrac>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><msup><mi>a</mi><mi>3</mi></msup></mrow><mrow><mo>+</mo><mi>8 </mi><msup><mi>a</mi><mi>2</mi></msup></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>20 </mi><mi>a</mi></mrow><mrow><mo>+</mo><mi>16 </mi></mrow></mrow>
</mrow>
<mrow>
<mrow><mrow><msup><mi>a</mi><mi>2</mi></msup></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>4 </mi><mi>a</mi></mrow><mrow><mo>+</mo><mi>4 </mi></mrow></mrow>
</mrow></mfrac></mrow>
<mo>&#x00B7;</mo>
<mrow><mo maxsize="2">(</mo><mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>a</mi></mrow><mrow><mo>+</mo><mi>4 </mi></mrow></mrow>
</mrow><mo maxsize="2">)</mo></mrow>
<mo>&#x003C;</mo><mo>&#x003E;</mo>
<msup>
<mfenced><mrow>
<mrow><mrow><mi>a</mi></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>4 </mi></mrow></mrow>
</mrow></mfenced>
<mrow>
<mrow><mrow><mi>4 </mi></mrow></mrow>
</mrow></msup>
</mrow>
</mrow>
</math>
</td>
</tr>
</table>
<b>2. Transform the expression</b>
<table width="100%">
<tr>
<td>
<a href="v0_1.xml" target="_parent">
<img src="../image/detail5.gif"  border="0" align="absmiddle" alt="detail"></img></a>
</td>
<td width="95%">
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
<mrow>
<mrow><mfrac>
<mrow>
<mrow><mo maxsize="2">(</mo><mrow>
<mrow><mrow><mi>6 </mi><msup><mi>c</mi><mi>2</mi></msup></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>4 </mi><mi>c</mi></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>16 </mi></mrow></mrow>
</mrow><mo maxsize="2">)</mo></mrow>
<mo>&#x00B7;</mo>
<mrow><mo maxsize="2">(</mo><mrow>
<mrow><mrow><mi>5 </mi><mi>c</mi></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>3 </mi></mrow></mrow>
</mrow><mo maxsize="2">)</mo></mrow>
</mrow>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>c</mi></mrow><mrow><mo>+</mo><mi>2 </mi></mrow></mrow>
</mrow></mfrac></mrow>
<mo>-</mo>
<mrow><mfrac>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><msup><mi>c</mi><mi>3</mi></msup></mrow><mrow><mo>+</mo><mi>9 </mi><msup><mi>c</mi><mi>2</mi></msup></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>24 </mi><mi>c</mi></mrow><mrow><mo>+</mo><mi>20 </mi></mrow></mrow>
</mrow>
<mrow>
<mrow><mrow><msup><mi>c</mi><mi>2</mi></msup></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>4 </mi><mi>c</mi></mrow><mrow><mo>+</mo><mi>4 </mi></mrow></mrow>
</mrow></mfrac></mrow>
<mo>=</mo>
</mrow>
</mrow>
</math>
</td>
</tr>
</table>
<b>3. Prove or disprove the inequality</b>
<table width="100%">
<tr>
<td>
<a href="v0_2.xml" target="_parent">
<img src="../image/detail5.gif"  border="0" align="absmiddle" alt="detail"></img></a>
</td>
<td width="95%">
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
<mrow>
<mrow><mfrac>
<mrow>
<mrow><mrow><mi>3 </mi><msup><mi>s</mi><mi>2</mi></msup></mrow><mrow><mo>+</mo><mi>7 </mi><mi>s</mi></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>4 </mi></mrow></mrow>
</mrow>
<mrow>
<mrow><mrow><mi>3 </mi><msup><mi>s</mi><mi>2</mi></msup></mrow><mrow><mo>+</mo><mi>s</mi></mrow><mrow><mo>+</mo><mi>2 </mi></mrow></mrow>
</mrow></mfrac></mrow>
<mo>&#x003E;</mo>
<mrow><mrow><mi>1 </mi></mrow></mrow>
<mo>+</mo>
<mrow><mfrac>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>3 </mi><msup><mi>s</mi><mi>2</mi></msup></mrow><mrow><mo>+</mo><mi>5 </mi><mi>s</mi></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>8 </mi></mrow></mrow>
</mrow>
<mrow>
<mrow><mrow><mi>3 </mi><msup><mi>s</mi><mi>2</mi></msup></mrow><mrow><mo>+</mo><mi>s</mi></mrow><mrow><mo>+</mo><mi>2 </mi></mrow></mrow>
</mrow></mfrac></mrow>
</mrow>
</mrow>
</math>
</td>
</tr>
</table>
<b>4. Solve the equation</b>
<table width="100%">
<tr>
<td>
<a href="v0_3.xml" target="_parent">
<img src="../image/detail5.gif"  border="0" align="absmiddle" alt="detail"></img></a>
</td>
<td width="95%">
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
<mrow>
<mo>-</mo>
<mrow><mrow><mfrac><mi>2</mi><mi>7</mi></mfrac></mrow></mrow>
<mo>&#x00B7;</mo>
<msup>
<mfenced><mrow>
<mrow><mrow><mi>5 </mi><mi>x</mi></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>2 </mi></mrow></mrow>
</mrow></mfenced>
<mrow>
<mrow><mrow><mi>2 </mi></mrow></mrow>
</mrow></msup>
<mo>-</mo>
<mrow><mrow><mfrac><mi>65</mi><mi>49</mi></mfrac></mrow></mrow>
<mo>&#x00B7;</mo>
<mrow><mo maxsize="2">(</mo><mrow>
<mrow><mrow><mi>5 </mi><mi>x</mi></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>2 </mi></mrow></mrow>
</mrow><mo maxsize="2">)</mo></mrow>
<mo>+</mo>
<mrow><mrow><mfrac><mi>222</mi><mi>49</mi></mfrac></mrow></mrow>
<mo>-</mo>
<mrow><mrow><mfrac><mi>65</mi><mi>49</mi></mfrac></mrow></mrow>
<mo>&#x00B7;</mo>
<msup>
<mfenced><mrow>
<mrow><mrow><mi>5 </mi><mi>x</mi></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>2 </mi></mrow></mrow>
</mrow></mfenced>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>1 </mi></mrow></mrow>
</mrow></msup>
<mo>-</mo>
<mrow><mrow><mfrac><mi>2</mi><mi>7</mi></mfrac></mrow></mrow>
<mo>&#x00B7;</mo>
<msup>
<mfenced><mrow>
<mrow><mrow><mi>5 </mi><mi>x</mi></mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>2 </mi></mrow></mrow>
</mrow></mfenced>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>2 </mi></mrow></mrow>
</mrow></msup>
<mo>=</mo>
<mrow><mrow><mi>0 </mi></mrow></mrow>
</mrow>
</mrow>
</math>
</td>
</tr>
</table>
<b>5. Solve the inequality</b>
<table width="100%">
<tr>
<td>
<a href="v0_4.xml" target="_parent">
<img src="../image/detail5.gif"  border="0" align="absmiddle" alt="detail"></img></a>
</td>
<td width="95%">
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
<mrow>
<mrow><mfrac>
<mrow>
<mrow><mo maxsize="2">(</mo><mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>5 </mi></mrow></mrow>
<mo>&#x00B7;</mo>
<mrow><mfrac>
<mrow>
<mrow><mrow><mi>3 </mi><mi>s</mi></mrow><mrow><mo>+</mo><mi>2 </mi></mrow></mrow>
</mrow>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>2 </mi><mi>s</mi></mrow><mrow><mo>+</mo><mi>8 </mi></mrow></mrow>
</mrow></mfrac></mrow>
<mo>-</mo>
<mrow><mrow><mi>2 </mi></mrow></mrow>
</mrow><mo maxsize="2">)</mo></mrow>
<mo>&#x00B7;</mo>
<mrow><mo maxsize="2">(</mo><mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>4 </mi></mrow></mrow>
<mo>&#x00B7;</mo>
<mrow><mfrac>
<mrow>
<mrow><mrow><mi>3 </mi><mi>s</mi></mrow><mrow><mo>+</mo><mi>2 </mi></mrow></mrow>
</mrow>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>2 </mi><mi>s</mi></mrow><mrow><mo>+</mo><mi>8 </mi></mrow></mrow>
</mrow></mfrac></mrow>
<mo>-</mo>
<mrow><mrow><mi>5 </mi></mrow></mrow>
</mrow><mo maxsize="2">)</mo></mrow>
</mrow>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>6 </mi></mrow></mrow>
</mrow></mfrac></mrow>
<mo>&#x2265;</mo>
<mrow><mfrac>
<mrow>
<mrow><mrow><mi>5 </mi></mrow></mrow>
<mo>&#x00B7;</mo>
<mrow><mfrac>
<mrow>
<mrow><mrow><mi>3 </mi><mi>s</mi></mrow><mrow><mo>+</mo><mi>2 </mi></mrow></mrow>
</mrow>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>2 </mi><mi>s</mi></mrow><mrow><mo>+</mo><mi>8 </mi></mrow></mrow>
</mrow></mfrac></mrow>
<mo>+</mo>
<mrow><mrow><mi>2 </mi></mrow></mrow>
</mrow>
<mrow>
<mrow><mrow><mo>&#x002D;&#x00A0;</mo><mi>4 </mi></mrow></mrow>
</mrow></mfrac></mrow>
</mrow>
</mrow>
</math>
</td>
</tr>
</table>
</td>
<br></br>
</tr>
</table>
<table width="100%">
<tr>
<td width="18">
</td>
<td>
<div align="left">
<p><b>More...</b></p>
</div>
</td>
</tr>
</table>
<table width="100%">
<tr>
<td width="18">
</td>
<td>
<table  width="582" border="0" cellspacing="0" cellpadding="0"><tr><td  width="582"><table  width="582" border="0" cellspacing="0" cellpadding="0"><tr> <td ><img src="../../../../button/top_lib.gif" border="0" hspace="0" align="middle" ></img> </td><td width="78"><a href="../../../../light/emtasklight.exe" target="_self" onMouseOver="document.img80050.src='../../../../button/download2.gif'" onMouseOut="document.img80050.src='../../../../button/download1.gif'"><img name="img80050" hspace="0" border="0" alt="Mathematics Software - download" src="../../../../button/download1.gif" width="78" height="30"></img></a></td><td width="78"><a href="../../../fc_online.htm" target="_parent" onMouseOver="document.img801111.src='../../../../button/demo2.gif'" onMouseOut="document.img801111.src='../../../../button/demo1.gif'"><img name="img801111" hspace="0" border="0" alt="Mathematics Software - online demos" src="../../../../button/demo1.gif" width="78" height="30"></img></a></td><td width="78"><a href="../../../algebra_1_/base/0/v0.xml" target="_parent" onMouseOver="document.img801.src='../../../../button/contens2_eng.gif'" onMouseOut="document.img801.src='../../../../button/contens1_eng.gif'"><img name="img801" hspace="0" border="0" alt="Mathematics Software - contents in examples" src="../../../../button/contens1_eng.gif" width="78" height="30"></img></a></td><td width="78"><a href="../../../example/algebra_equations/3/0.xml" target="_parent" onMouseOver="document.img8004.src='../../../../button/example2_eng.gif'" onMouseOut="document.img8004.src='../../../../button/example1_eng.gif'"><img name="img8004" hspace="0" border="0" alt="Mathematics Software - solution complexity " src="../../../../button/example1_eng.gif" width="78" height="30"></img></a></td><td width="78"><a href="../../../embplus/base/0/v0.xml" target="_parent" onMouseOver="document.img8005.src='../../../../button/emsolution2.gif'" onMouseOut="document.img8005.src='../../../../button/emsolution1.gif'"><img name="img8005" hspace="0" border="0" alt="Math problem solving software EMSolution online" src="../../../../button/emsolution1.gif" width="78" height="30"></img></a></td><td width="78"><a href="../../../embtut/base/0/v0.xml" target="_parent" onMouseOver="document.img8006.src='../../../../button/emmentor2.gif'" onMouseOut="document.img8006.src='../../../../button/emmentor1.gif'"><img name="img8006" hspace="0" border="0" alt="Interactive training Mathematics Software EMMentor online" src="../../../../button/emmentor1.gif" width="78" height="30"></img></a></td><td width="78"><a href="../../../method_7/base/v_0_0.xml" target="_parent" onMouseOver="document.img8003.src='../../../../button/method2_eng.gif'" onMouseOut="document.img8003.src='../../../../button/method1_eng.gif'"><img name="img8003" hspace="0" border="0" alt="Mathematics Software - learning techniques online" src="../../../../button/method1_eng.gif" width="78" height="30"></img></a></td><td width="78"><a href="../../../box/0.xml" target="_parent" onMouseOver="document.img8553.src='../../../../button/analis2_eng.gif'" onMouseOut="document.img8553.src='../../../../button/analis1_eng.gif'"><img name="img8553" hspace="0" border="0" alt="Mathematics Software - error analysis" src="../../../../button/analis1_eng.gif" width="78" height="30"></img></a></td></tr></table></td></tr></table>
</td>
<td valign="right">
<div align="right">
<a href="../../../purchasing2.htm#cont2" target="_parent">
<img src="../image/baynew.gif"  border="0" align="absmiddle" alt="topic"></img>
</a>
</div>
</td>
</tr>
</table>
<hr  align="center" width="100%" size="1" ></hr>
<div align="center"><span class="bottom">
<div>EMTeachline &#x00A9; 2003-2005</div>
<div>Utrecht, The Netherlands </div></span></div>
</body>
</html>
