
Persamaan Kuadrat
Presentation
•
Mathematics
•
9th Grade
•
Hard
Yulia Paramita
Used 3+ times
FREE Resource
5 Slides • 4 Questions
1
PERSAMAAN KUADRAT
by : Putu Yulia Paramita, S.Pd.
2
TUJUAN PEMBELAJARAN
Setelah mengikuti kegiatan pembelajaran, siswa diharapkan dapat :
Memahami pengertian dan bentuk umum persamaan kuadrat,
Membedakan persamaan kuadrat dan bukan persamaan kuadrat.
3
Apa itu persamaan kuadrat???
4
PENGERTIAN PERSAMAAN KUADRAT
Persamaan kuadrat adalah persamaan yang variabelnya memiliki pangkat tertingginya dua dan biasanya dituliskan sebagai,
ax2 + bx + c = 0
dengan,
Bilangan a, b, dan c pada persamaan kuadrat disebut sebagai koefisien
5
BENTUK PERSAMAAN KUADRAT
Contoh Persamaan Kuadrat :
x2 + 4x + 10 = 0
2y2 - 8 = 0
m2 = 81
4n2 = 2n + 4
Bukan Contoh Persamaan Kuadrat :
x3 - 3x2 + 5x + 13 = 0
2y - 10 = 0
m6 = 64
6n3 + 2n = 8n2 + 16
6
Multiple Choice
Bentuk umum persamaan kuadrat adalah ....
a2+bx−c=0 , a=0
a2+bx+c=0 , a=0
a2+bx+c=0 , a=0
a2−bx+c=0 , a=0
7
Multiple Choice
Diantara persamaan berikut manakah yang bukan merupakan persamaan kuadrat.
2x(x+2)=30
3x2−8x−16=0
15+2y=y2
x−x8+2=0
8
Multiple Choice
Ubah persamaan (2p−1)(p+2)=p2+16 ke dalam bentuk umum persamaan kuadrat!
p2+3p−18=0
p2+3p+18=0
p2−3p−18=0
p2−3p+18=0
9
Multiple Choice
Tentukan nilai
a, b, c pada persamaan 2x(x+2)=30
a=2, b=2, c=30
a=2, b=2, c=−30
a=2, b=4, c=−30
a=2, b=4, c=30
PERSAMAAN KUADRAT
by : Putu Yulia Paramita, S.Pd.
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