Verfügbare Informationen zu "Mathe C 1 Nr5+6"
Qualität des Beitrags: 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, 14:27Mathe 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)
