https://computernetwork.mathonline.se/index.php?action=history&feed=atom&title=3.7_Anv%C3%A4ndning_av_andragradsekvationer 2026-11-09T19:52:40Z Versionshistorik för denna sida på wikin MediaWiki 1.23.1 https://computernetwork.mathonline.se/index.php?title=3.7_Anv%C3%A4ndning_av_andragradsekvationer&diff=2538&oldid=prev 2022-03-19T18:37:53Z

<p></p> <p><b>Ny sida</b></p><div>__NOTOC__<br /> {| border=&quot;0&quot; cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; height=&quot;30&quot; width=&quot;100%&quot;<br /> | style=&quot;border-bottom:1px solid #797979&quot; width=&quot;5px&quot; | &amp;nbsp;<br /> {{Not selected tab|[[3.6 Komplexa tal| &lt;&lt;&amp;nbsp;&amp;nbsp;Förra avsnitt]]}}<br /> {{Selected tab|[[3.7 Användning av andragradsekvationer|Genomgång]]}}<br /> {{Not selected tab|[[3.7 Övningar till Användning av andragradsekvationer|Övningar]]}}<br /> {{Not selected tab|[[3.8 Andragradsfunktioner|Nästa avsnitt&amp;nbsp;&amp;nbsp;&gt;&gt; ]]}}<br /> | style=&quot;border-bottom:1px solid #797979&quot; width=&quot;100%&quot;| &amp;nbsp;<br /> |}<br /> <br /> <br /> == &lt;b&gt;&lt;span style=&quot;color:#931136&quot;&gt;Gräsmattan med 2:a gradsekvation&lt;/span&gt;&lt;/b&gt; ==<br /> <br /> <br /> &lt;div class=&quot;ovnE&quot;&gt;<br /> &lt;div style=&quot;border:1px solid black;display:inline-table;margin-left: 0px;&quot;&gt; [[Image: 3_7_Tillampn_Grasmatta_1a.jpg]] &lt;/div&gt;<br /> &lt;/div&gt;<br /> <br /> <br /> &lt;div class=&quot;ovnE&quot;&gt;<br /> &lt;big&gt;&lt;b&gt;&lt;span style=&quot;color:#931136&quot;&gt;Gräsmattans nya mått:&lt;/span&gt;&lt;/b&gt;<br /> ---- <br /> &lt;math&gt; \begin{array}{lll} {\rm Längden:} \quad 27 \, + \, 2 \cdot 4,5 &amp; = &amp; 36 \\<br /> {\rm Bredden:} \quad 18 \, + \, 2 \cdot 4,5 &amp; = &amp; 27 <br /> \end{array}&lt;/math&gt;<br /> ----<br /> &lt;b&gt;&lt;span style=&quot;color:#931136&quot;&gt;Kontroll:&lt;/span&gt;&lt;/b&gt;<br /> <br /> &lt;math&gt; \begin{array}{lllll} A_g : \quad 27 \cdot 18 &amp; = &amp; 486 &amp; &amp; \\<br /> A_n : \quad 36 \cdot 27 &amp; = &amp; 972 &amp; = &amp; 2 \cdot 486 <br /> \end{array}&lt;/math&gt;<br /> &lt;/big&gt;<br /> &lt;/div&gt;<br /> <br /> <br /> == &lt;b&gt;&lt;span style=&quot;color:#931136&quot;&gt;Gräsmattan (modifierad) med en annan metod&lt;/span&gt;&lt;/b&gt; ==<br /> <br /> <br /> &lt;div class=&quot;ovnC&quot;&gt;<br /> &lt;div style=&quot;border:1px solid black;display:inline-table;margin-left: 0px;&quot;&gt; [[Image: 3_7_Tillampn_Grasmatta_2.jpg]] &lt;/div&gt;<br /> &lt;/div&gt;<br /> <br /> <br /> &lt;div class=&quot;ovnC&quot;&gt;<br /> &lt;big&gt;&lt;b&gt;&lt;span style=&quot;color:#931136&quot;&gt;Gräsmattans nya mått:&lt;/span&gt;&lt;/b&gt;<br /> ---- <br /> &lt;math&gt; \begin{array}{lll} {\rm Längden:} \quad 27 \cdot \sqrt 2 &amp; = &amp; 38,18 \\<br /> {\rm Bredden:} \quad 18 \cdot \sqrt 2 &amp; = &amp; 25,46 <br /> \end{array}&lt;/math&gt;<br /> ----<br /> &lt;b&gt;&lt;span style=&quot;color:#931136&quot;&gt;Kontroll:&lt;/span&gt;&lt;/b&gt;<br /> <br /> &lt;math&gt; \begin{array}{lllll} A_g : \quad 27 \cdot 18 &amp; = &amp; 486 &amp; &amp; \\<br /> A_n : \quad 38,18 \, \cdot \, 25,46 &amp; = &amp; 972 &amp; = &amp; 2 \cdot 486 <br /> \end{array}&lt;/math&gt;<br /> &lt;/big&gt;<br /> &lt;/div&gt;<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> [[Matte:Copyrights|Copyright]] © 2022 [https://www.techpages.se &lt;b&gt;&lt;span style=&quot;color:blue&quot;&gt;TechPages AB&lt;/span&gt;&lt;/b&gt;]. All Rights Reserved.</div>

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