
Persamaan Kuadrat
Authored by Ardiansyah Ardiansyah
Mathematics
9th Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Bentuk umum dari persamaan kuadrat 3(x2 - 2) = x(2x + 5) adalah ....
x2 + 5x + 4 = 0
x2 - 5x - 6 = 0
x2 - 5x + 4 = 0
x2 + 5x - 6 = 0
2.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Akar - akar dari persamaan kuadrat x2 - 7x + 10 = 0 adalah ....
x = 1 dan x = 5
x = 2 dan x = 5
x = 3 dan x = 5
x = 4 dan x = 5
3.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Jika akar-akar persamaan kuadrat x2 - 5x + 6 = 0 adalah x1 dan x2, maka nilai x1 + x2 = ....
4
5
6
7
4.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
5.
MULTIPLE CHOICE QUESTION
10 mins • 2 pts
Suatu area berbentuk persegi panjang, di tengahnya terdapat kolam renang berbentuk persegi panjang yang luasnya 180 𝑚2 . Selisih panjang dan lebar kolam adalah 3 m. Di sekeliling kolam renang dibuat jalan selebar 2 m. Maka luas jalan tersebut adalah ….
124 m2
160 m2
180 m2
304 m2
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