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Arbeitsblatt: Quadratische Gleichungen

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Quadratische Gleichungen
Stufe 2 · Ganzzahlige Lösungen
Löse die Gleichungen.
1.
x2−9x+8=0x^{2} - 9x + 8 = 0
x1=x_1 =x2=x_2 =
2.
x2−5x−6=0x^{2} - 5x - 6 = 0
x1=x_1 =x2=x_2 =
3.
x2−4x−21=0x^{2} - 4x - 21 = 0
x1=x_1 =x2=x_2 =
4.
x2−x−12=0x^{2} - x - 12 = 0
x1=x_1 =x2=x_2 =
5.
x2−x−6=0x^{2} - x - 6 = 0
x1=x_1 =x2=x_2 =
6.
x2−7x+6=0x^{2} - 7x + 6 = 0
x1=x_1 =x2=x_2 =
7.
x2+9x=0x^{2} + 9x = 0
x1=x_1 =x2=x_2 =
8.
x2−5x−36=0x^{2} - 5x - 36 = 0
x1=x_1 =x2=x_2 =
9.
x2−8x=0x^{2} - 8x = 0
x1=x_1 =x2=x_2 =
10.
x2+3x=0x^{2} + 3x = 0
x1=x_1 =x2=x_2 =
Lösungen
Quadratische Gleichungen · Stufe 2 · Ganzzahlige Lösungen
1.x1=1,  x2=8x_1 = 1,\; x_2 = 8
2.x1=6,  x2=−1x_1 = 6,\; x_2 = -1
3.x1=−3,  x2=7x_1 = -3,\; x_2 = 7
4.x1=4,  x2=−3x_1 = 4,\; x_2 = -3
5.x1=−2,  x2=3x_1 = -2,\; x_2 = 3
6.x1=6,  x2=1x_1 = 6,\; x_2 = 1
7.x1=0,  x2=−9x_1 = 0,\; x_2 = -9
8.x1=9,  x2=−4x_1 = 9,\; x_2 = -4
9.x1=0,  x2=8x_1 = 0,\; x_2 = 8
10.x1=0,  x2=−3x_1 = 0,\; x_2 = -3