二元一次方程的图像
2015-08-10 02:28
本范例演示了二元一次方程在平面直角坐标系中的图像。通过动态交互，用户可以观察方程的解与直线上点的对应关系，深入理解线性方程的几何意义。该应用包含多语言支持和互动问答功能，旨在帮助学生巩固解析几何与函数图像的基础知识。
GeoGebra 画板及绘图内容加载中，请稍等……
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<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="36"/>
</element>
<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>