Graphs of Linear Equations in Two Variables
2015-08-10 02:28
This interactive applet demonstrates the graphs of linear equations in two variables on the Cartesian plane. It allows users to explore the geometric interpretation of linear equations and the correspondence between solutions and points on the line. Featuring multilingual support and interactive quizzes to reinforce fundamental concepts in coordinate geometry and graphing.
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<expression label="textQ5" exp=""" + (If[lang ≟ 1, "y坐標比x坐標的2倍小4", "The y-coordinate is smaller than the double of x-coordinate by 4."]) + """ />
<element type="text" label="textQ5">
<show object="false" label="true" ev="8"/>
<objColor r="0" g="0" b="0" alpha="0"/>
<layer val="2"/>
<labelMode val="0"/>
<font serif="false" sizeM="1.4" size="8" style="0"/>
<absoluteScreenLocation x="160" y="37"/>
</element>
<command name="If">
<input a0="n ≟ 1" a1="textQ1" a2="n ≟ 2" a3="textQ2" a4="n ≟ 3" a5="textQ3" a6="n ≟ 4" a7="textQ4" a8="n ≟ 5" a9="textQ5"/>
<output a0="textQ"/>
</command>
<element type="text" label="textQ">
<symbolic val="true" />
<show object="true" label="false" ev="11"/>
<objColor r="0" g="0" b="0" alpha="0"/>
<bgColor r="191" g="255" b="0" alpha="255"/>
<layer val="2"/>
<labelMode val="0"/>
<selectionAllowed val="false"/>
<font serif="false" sizeM="1.35" size="7" style="0"/>
<absoluteScreenLocation x="10" y="83"/>
</element>
</construction>
</geogebra>