4.DBH Ekuazio-sistemen ebazpena grafikoki. Emparejamiento. Elkartu itzazu sistema bakoitza dagokion soluzioarekin.

Azpian soluzio posibleak idatzi ditugu hobeto ikus ditzazun. Ageri diren sistemak ondokoak dira:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mtable columnalign=¨left¨ rowspacing=¨0¨»«mtr»«mtd»«mfenced close=¨¨ open=¨{¨»«mtable»«mtr»«mtd»«mi»#a1«/mi»«mo»·«/mo»«mi»x«/mi»«mo»+«/mo»«mi»#b1«/mi»«mo»·«/mo»«mi»y«/mi»«mo»=«/mo»«mi»#c1«/mi»«/mtd»«/mtr»«mtr»«mtd»«mi»#a2«/mi»«mo»·«/mo»«mi»x«/mi»«mo»+«/mo»«mi»#b2«/mi»«mo»·«/mo»«mi»y«/mi»«mo»=«/mo»«mi»#c2«/mi»«/mtd»«/mtr»«/mtable»«/mfenced»«/mtd»«/mtr»«mtr»«mtd/»«/mtr»«mtr»«mtd»«mfenced close=¨¨ open=¨{¨»«mtable»«mtr»«mtd»«mi»#a21«/mi»«mo»·«/mo»«mi»x«/mi»«mo»+«/mo»«mi»#b21«/mi»«mo»·«/mo»«mi»y«/mi»«mo»=«/mo»«mi»#c21«/mi»«/mtd»«/mtr»«mtr»«mtd»«mi»#a22«/mi»«mo»·«/mo»«mi»x«/mi»«mo»+«/mo»«mi»#b22«/mi»«mo»·«/mo»«mi»y«/mi»«mo»=«/mo»«mi»#c22«/mi»«/mtd»«/mtr»«/mtable»«/mfenced»«/mtd»«/mtr»«mtr»«mtd/»«/mtr»«mtr»«mtd»«mfenced close=¨¨ open=¨{¨»«mtable»«mtr»«mtd»«mi»#a31«/mi»«mo»·«/mo»«mi»x«/mi»«mo»+«/mo»«mi»#b31«/mi»«mo»·«/mo»«mi»y«/mi»«mo»=«/mo»«mi»#c31«/mi»«/mtd»«/mtr»«mtr»«mtd»«mi»#a32«/mi»«mo»·«/mo»«mi»x«/mi»«mo»+«/mo»«mi»#b32«/mi»«mo»·«/mo»«mi»y«/mi»«mo»=«/mo»«mi»#c32«/mi»«/mtd»«/mtr»«/mtable»«/mfenced»«/mtd»«/mtr»«mtr»«mtd/»«/mtr»«mtr»«mtd»«mfenced close=¨¨ open=¨{¨»«mtable»«mtr»«mtd»«mi»#a41«/mi»«mo»·«/mo»«mi»x«/mi»«mo»+«/mo»«mi»#b41«/mi»«mo»·«/mo»«mi»y«/mi»«mo»=«/mo»«mi»#c41«/mi»«/mtd»«/mtr»«mtr»«mtd»«mi»#a42«/mi»«mo»·«/mo»«mi»x«/mi»«mo»+«/mo»«mi»#b42«/mi»«mo»·«/mo»«mi»y«/mi»«mo»=«/mo»«mi»#c42«/mi»«/mtd»«/mtr»«/mtable»«/mfenced»«/mtd»«/mtr»«/mtable»«/math»

]]> 1.0000000 0.1000000 0 true Soluzioa P=#P da eta grafikoak: #t1 dira.

]]> {#a1·x+#b1·y=#c1 ; #a2·x+#b2·y=#c2 Soluazioa ondokoa da :Q=#Q eta grafikoa berriz: #t2

]]> {#a21·x+#b21·y=#c21 ; #a22·x+#b22·y=#c22 Sistemaren grafikoak zuzen berdinak dira. Lerro gorria lodiagoa da zuzen bat bestearen gainean dagoela ikusteko. Grafikoak ondokoak dira: #t3

]]> {#a31·x+#b31·y=#c31 ; #a32·x+#b32·y=#c32 Sistemaren grafikoak zuzen paraleloak dira. Ondokoak dira: #t4

]]> {#a41·x+#b41·y=#c41 ; #a42·x+#b42·y=#c42 <question><wirisCasSession><![CDATA[<session lang="eu" version="2.0"><library closed="false"><mi style="color:#ffc800">aldagaiak</mi><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>t1</mi><mo>=</mo><mi>tabloia</mi><mo>(</mo><mi>puntu</mi><mo>(</mo><mn>0</mn><mo>,</mo><mn>0</mn><mo>)</mo><mo>,</mo><mn>21</mn><mo>,</mo><mn>21</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><apply><csymbol 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align="center"><mtr><mtd><mi>kolorea</mi><mo>=</mo><mi>urdin</mi><mo>,</mo><mi>tamainu_puntu</mi><mo>=</mo><mn>5</mn><mo>,</mo><mi>erakutsi_etiketa</mi><mo>=</mo><mi>ziur</mi></mtd></mtr></mtable></mfenced></mrow></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>t2</mi><mo>=</mo><mi>tabloia</mi><mo>(</mo><mi>puntu</mi><mo>(</mo><mn>0</mn><mo>,</mo><mn>0</mn><mo>)</mo><mo>,</mo><mn>21</mn><mo>,</mo><mn>21</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><apply><csymbol 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xmlns="http://www.w3.org/1998/Math/MathML"><mi>f21</mi><mo>(</mo><mi>x</mi><mo>)</mo><mo>=</mo><mfrac><mrow><mi>c21</mi><mo>-</mo><mi>a21</mi><mo>·</mo><mi>x</mi></mrow><mi>b21</mi></mfrac></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>f22</mi><mo>(</mo><mi>x</mi><mo>)</mo><mo>=</mo><mfrac><mrow><mi>c22</mi><mo>-</mo><mi>a22</mi><mo>·</mo><mi>x</mi></mrow><mi>b22</mi></mfrac></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>g21</mi><mo>=</mo><mi>marraztu</mi><mfenced><mrow><mi>t2</mi><mo>,</mo><mi>f21</mi><mo>(</mo><mi>x</mi><mo>)</mo><mo>,</mo><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>kolorea</mi><mo>=</mo><mi>gorria</mi><mo>,</mo><mi>lerro_zabalera</mi><mo>=</mo><mn>2</mn></mtd></mtr></mtable></mfenced></mrow></mfenced></math></input></command><command><input><math 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