matematik tingkatan 4 ( kuadratik 2 )

Diberi persamaan kuadratik x² + 3x - 18 = 0. Cari nilai-nilai x.

• x = 3, x = 6
• x = 3, x = -6
• x = -3, x = 6
• x = -3, x = -6

Diberi persamaan kuadratik x² - 2x - 8 = 0.     Cari nilai-nilai x.

• x = 2, x = 4
• x = 2, x = -4
• x = -2, x = 4
• x = -2, x = -4

Diberi persamaan kuadratik x² - 13x + 42 = 0. Cari nilai-nilai x.

• x = 7, x = 6
• x = 7, x = -6
• x = -7, x = 6
• x = -7, x = -6

Diberi persamaan kuadratik x² + 20x + 96 = 0. Cari nilai-nilai x.

• x = 8, x = 12
• x = 8, x = -12
• x = -8, x = 12
• x = -8, x = -12

Diberi persamaan kuadratik 2x² + 10x - 28 = 0. Cari nilai-nilai x.

• x = 2, x = 7
• x = 2, x = -7
• x = -2, x = 7
• x = -2, x = -7

Diberi persamaan kuadratik 2x² -18x + 40 = 0. Cari nilai-nilai x.

• x = 4, x = 5
• x = 4, x = -5
• x = -4, x = 5
• x = -, x = -5

Diberi persamaan kuadratik 2x² + 6x - 56 = 0. Cari nilai-nilai x.

• x = 7, x = 4
• x = 7, x = -4
• x = -7, x = 4
• x = -7, x = -4

Diberi persamaan kuadratik 2x² + 32x + 126 = 0. Cari nilai-nilai x.

• x = 7, x = 9
• x = 7, x = -9
• x = -7, x = 9
• x = -7, x = -9

Diberi persamaan kuadratik 6x² + 36x + 48 = 0. Cari nilai-nilai x.

• x = 2, x = 4
• x = 2, x = -4
• x = -2, x = 4
• x = -2, x = -4

Diberi persamaan kuadratik 3x² + 6x - 45 = 0. Cari nilai-nilai x.

• x = 3, x = 5
• x = 3, x = -5
• x = -3, x = 5
• x = -3, x = -5