Mathe C 1 Nr5+6

3lacK0uT´s page !!!
Verfügbare Informationen zu "Mathe C 1 Nr5+6"

  • Qualität des Beitrags: 0 Sterne
  • Beteiligte Poster: rewler - Dragon24
  • Forum: 3lacK0uT´s page !!!
  • Forenbeschreibung: Ihr könt vorschläge für mein Forum namen machen !!! siehe thead News & Infos.
  • aus dem Unterforum: Schule
  • Antworten: 2
  • Forum gestartet am: Montag 16.10.2006
  • Sprache: deutsch
  • Link zum Originaltopic: Mathe C 1 Nr5+6
  • Letzte Antwort: vor 16 Jahren, 3 Monaten, 26 Tagen, 9 Stunden, 26 Minuten
  • Alle Beiträge und Antworten zu "Mathe C 1 Nr5+6"

    Re: Mathe C 1 Nr5+6

    rewler - 30.11.2006, 14:27

    Mathe C 1 Nr5+6
    Nr 5


    a)
    (2x-1)2+40 = 4x2+5
    (2x-1)*(2x-1)+40 = 4x2+5
    ((4x2-2x)-(2x-1))+40 = 4x2+5
    (4x2-2x-2x+1)+40 = 4x2+5
    (4x2-4x+1)+40 = 4x2+5
    4x2-4x+1+40 = 4x2+5
    4x2-4x+41 = 4x2+5
    -4x+41 = 5
    -4x = -36
    x = 9



    b)

    x2-(x-2)2 = 16
    x2-(x-2)*(x-2) = 16
    x2-((x2-2x)-(2x-4)) = 16
    x2-(x2-2x-2x+4) = 16
    x2-(x2-4x+4) = 16
    x2-x2+4x-4 = 16
    4x-4 = 16
    4x = 20
    x = 5

    c)
    (x+1)2+2 = x(x-1)
    (x+1)*(x+1)+2 = x(x-1)
    ((x2+x)+(x+1))+2 = x(x-1)
    (x2+x+x+1)+2 = x(x-1)
    (x2+2x+1)+2 = x(x-1)
    x2+2x+1+2 = x(x-1)
    x2+2x+3 = x(x-1)
    x2+2x+3 = +(x2-x)
    x2+2x+3 = x2-x
    2x+3 = -x
    3x+3 = 0
    3x = -3
    x = -1

    d)
    (x-2)2+95 = (x-3)2
    (x-2)*(x-2)+95 = (x-3)2
    ((x2-2x)-(2x-4))+95 = (x-3)2
    (x2-2x-2x+4)+95 = (x-3)2
    (x2-4x+4)+95 = (x-3)2
    x2-4x+4+95 = (x-3)2
    x2-4x+99 = (x-3)2
    x2-4x+99 = +(x-3)2
    x2-4x+99 = +(x-3)*(x-3)
    x2-4x+99 = +((x2-3x)-(3x-9))
    x2-4x+99 = +(x2-3x-3x+9)
    x2-4x+99 = +(x2-6x+9)
    x2-4x+99 = x2-6x+9
    -4x+99 = -6x+9
    2x+99 = 9
    2x = -90
    x = -45


    e)
    (x-1)(x+2)+4 = (x-3)2
    (x-1)*(x+2)+4 = (x-3)2
    ((x2+2x)-(x+2))+4 = (x-3)2
    (x2+2x-x-2)+4 = (x-3)2
    (x2+x-2)+4 = (x-3)2
    x2+x-2+4 = (x-3)2
    x2+x+2 = (x-3)2
    x2+x+2 = +(x-3)2
    x2+x+2 = +(x-3)*(x-3)
    x2+x+2 = +((x2-3x)-(3x-9))
    x2+x+2 = +(x2-3x-3x+9)
    x2+x+2 = +(x2-6x+9)
    x2+x+2 = x2-6x+9
    x+2 = -6x+9
    7x+2 = 9
    7x = 7
    x = 1


    f)
    (x-4)(x+4) = x2+2(x-3)
    (x-4)*(x+4) = x2+2(x-3)
    ((x2+4x)-(4x+16)) = x2+2(x-3)
    (x2+4x-4x-16) = x2+2(x-3)
    (x2-16) = x2+2(x-3)
    x2-16 = x2+2(x-3)
    x2-16 = x2+(2x-6)
    x2-16 = x2+2x-6
    -16 = 2x-6
    -2x-16 = -6
    -2x = 10
    x = -5



    Nr 6

    a)
    2+(2x-1)2 = (1+x)(4x-3)
    2+(2x-1)*(2x-1) = (1+x)(4x-3)
    2+((4x2-2x)-(2x-1)) = (1+x)(4x-3)
    2+(4x2-2x-2x+1) = (1+x)(4x-3)
    2+(4x2-4x+1) = (1+x)(4x-3)
    2+4x2-4x+1 = (1+x)(4x-3)
    3+4x2-4x = (1+x)(4x-3)
    3+4x2-4x = +(1+x)*(4x-3)
    3+4x2-4x = +((4x-3)+(4x2-3x))
    3+4x2-4x = +(4x-3+4x2-3x)
    3+4x2-4x = +(x-3+4x2)
    3+4x2-4x = x-3+4x2
    3-4x = x-3
    -4x+3 = x-3
    -5x+3 = -3
    -5x = -6
    x = 1.2


    b)
    (3x-2)2 = (3x-1)(1+3x)-7
    (3x-2)*(3x-2) = (3x-1)(1+3x)-7
    ((9x2-6x)-(6x-4)) = (3x-1)(1+3x)-7
    (9x2-6x-6x+4) = (3x-1)(1+3x)-7
    (9x2-12x+4) = (3x-1)(1+3x)-7
    9x2-12x+4 = (3x-1)(1+3x)-7
    9x2-12x+4 = +(3x-1)*(1+3x)-7
    9x2-12x+4 = +((3x+9x2)-(1+3x))-7
    9x2-12x+4 = +(3x+9x2-1-3x)-7
    9x2-12x+4 = +(9x2-1)-7
    9x2-12x+4 = 9x2-1-7
    9x2-12x+4 = 9x2-8
    -12x+4 = -8
    -12x = -12
    x = 1


    c)
    (9-x)(9+x)+3x-7 = -(x+1)2
    (9-x)*(9+x)+3x-7 = -(x+1)2
    ((81+9x)-(9x+x2))+3x-7 = -(x+1)2
    (81+9x-9x-x2)+3x-7 = -(x+1)2
    (81-x2)+3x-7 = -(x+1)2
    81-x2+3x-7 = -(x+1)2
    74-x2+3x = -(x+1)2
    74-x2+3x = -(x+1)*(x+1)
    74-x2+3x = -((x2+x)+(x+1))
    74-x2+3x = -(x2+x+x+1)
    74-x2+3x = -(x2+2x+1)
    74-x2+3x = -x2-2x-1
    74+3x = -2x-1
    3x+74 = -2x-1
    5x+74 = -1
    5x = -75
    x = -15


    d)
    3(x+2)2+x+2 = 3(x+2)(x-2)
    3(x+2)*(x+2)+x+2 = 3(x+2)(x-2)
    3((x2+2x)+(2x+4))+x+2 = 3(x+2)(x-2)
    3(x2+2x+2x+4)+x+2 = 3(x+2)(x-2)
    3(x2+4x+4)+x+2 = 3(x+2)(x-2)
    (3x2+12x+12)+x+2 = 3(x+2)(x-2)
    3x2+12x+12+x+2 = 3(x+2)(x-2)
    3x2+13x+14 = 3(x+2)(x-2)
    3x2+13x+14 = 3(x+2)*(x-2)
    3x2+13x+14 = 3((x2-2x)+(2x-4))
    3x2+13x+14 = 3(x2-2x+2x-4)
    3x2+13x+14 = 3(x2-4)
    3x2+13x+14 = +(3x2-12)
    3x2+13x+14 = 3x2-12
    13x+14 = -12
    13x = -26
    x = -2

    e)
    2x2-4 = (x+2)2+(x-4)(x+4)
    2x2-4 = +(x+2)2+(x-4)*(x+4)
    2x2-4 = +(x+2)*(x+2)+(x-4)*(x+4)
    2x2-4 = +((x2+2x)+(2x+4))+(x-4)*(x+4)
    2x2-4 = +((x2+2x)+(2x+4))+((x2+4x)-(4x+16))
    2x2-4 = +(x2+2x+2x+4)+((x2+4x)-(4x+16))
    2x2-4 = +(x2+4x+4)+((x2+4x)-(4x+16))
    2x2-4 = +(x2+4x+4)+(x2+4x-4x-16)
    2x2-4 = +(x2+4x+4)+(x2-16)
    2x2-4 = x2+4x+4+x2-16
    2x2-4 = 2x2+4x-12
    -4 = 4x-12
    -4x-4 = -12
    -4x = -8
    x = 2

    f)
    2x2-4 = (x+2)2+(x-4)(x+4)
    2x2-4 = +(x+2)2+(x-4)*(x+4)
    2x2-4 = +(x+2)*(x+2)+(x-4)*(x+4)
    2x2-4 = +((x2+2x)+(2x+4))+(x-4)*(x+4)
    2x2-4 = +((x2+2x)+(2x+4))+((x2+4x)-(4x+16))
    2x2-4 = +(x2+2x+2x+4)+((x2+4x)-(4x+16))
    2x2-4 = +(x2+4x+4)+((x2+4x)-(4x+16))
    2x2-4 = +(x2+4x+4)+(x2+4x-4x-16)
    2x2-4 = +(x2+4x+4)+(x2-16)
    2x2-4 = x2+4x+4+x2-16
    2x2-4 = 2x2+4x-12
    -4 = 4x-12
    -4x-4 = -12
    -4x = -8
    x = 2

    *= mal ( Multiplikation)


    skeet skeet nigga



    Re: Mathe C 1 Nr5+6

    Dragon24 - 30.11.2006, 16:04


    5 g.???



    Mit folgendem Code, können Sie den Beitrag ganz bequem auf ihrer Homepage verlinken



    Weitere Beiträge aus dem Forum 3lacK0uT´s page !!!

    Wer Spielt?? - gepostet von Dragon24 am Freitag 16.02.2007
    Autor von Kurztgeschichten ! - gepostet von BlacKOuT am Montag 27.11.2006
    Ferien - gepostet von Dragon24 am Mittwoch 04.04.2007



    Ähnliche Beiträge wie "Mathe C 1 Nr5+6"

    Mathe Klassenarbeit! - Stella (Sonntag 09.07.2006)
    Mathe GK Foegen - Chriz (Montag 30.10.2006)
    MATHE - Giggsy (Dienstag 18.12.2007)
    Der Mathe-Thread - RPG-Man (Mittwoch 17.10.2007)
    Mathe Tipps - Sebastian (Sonntag 13.11.2005)
    Mathe-Klausur - Matze (Donnerstag 08.06.2006)
    mathe - Kunold (Samstag 29.04.2006)
    Mathe - Pascal (Mittwoch 13.09.2006)
    Mathe - Latein-hero (Freitag 15.09.2006)
    Mathe Klausur - Budi (Donnerstag 07.09.2006)