Tuesday, September 27, 2022

Soal Matematika Sukino Kelas X KTSP 2006 LKS 2 Bab 2 Bag A no 1

Latihan Kompetensi Siswa 2

Bab 2 : Persamaan dan Fungsi Kuadrat

Matematika Sukino Kelas X KTSP 2006


A.

1. Selesaikan persamaan kuadrat berikut :

a. x2 + 3x - 18 = 0

b. x2 - 8x + 15 = 0

c. a2 - 9a + 20 = 0

d. m2 + 5m - 36 = 0

e. 2x2 + 11x - 21 = 0

f. 18x - 4x2 = 0

g. 4x2 = 18x

h. 6y2 + 13y - 5 = 0

i. 5b2 + 22b - 15 = 0

j. 6r2 - 18r = 0


Jawaban :

a. x2 + 3x - 18 = 0

b. x2 - 8x + 15 = 0

c. a2 - 9a + 20 = 0

d. m2 + 5m - 36 = 0


e. 2x2 + 11x - 21 = 0

f. 18x - 4x2 = 0

g. 4x2 = 18x

h. 6y2 + 13y - 5 = 0

i. 5b2 + 22b - 15 = 0

j. 6r2 - 18r = 0



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