
review pts math 9.1
Presentation
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Salsabila A.G
Used 1+ times
FREE Resource
7 Slides • 9 Questions
1
KELAS 9 SEMESTER GANJIL
SMP TRIDAYA TUNAS BANGSA
REVIEW
TENGAH SEMESTER
2
ab = c
EKSPONEN (PERPANGKATAN)
Ket : a = basis/bilangan pokok
b = eksponen/bilangan pangkat
c = nilai eksponen
3
Multiple Choice
a−3bc2a2b−1c
c3a5b2
a5b2c3
b2c3a5
a5c3b2
4
Multiple Choice
4-2 + 4-3 =
645
85
81
641
5
Bentuk Akar
6
Multiple Choice
2p+3p=
6p
5p
6p2
5p2
7
Multiple Choice
3 32 18
323
326
23
22
8
Rasionalisasi Akar
9
Multiple Choice
82
82
428
212
21
10
Multiple Choice
3+23
35
33+32
33−32
53
11
ax2 + bx + c = 0
Ket: a = koefisien variabel x2
b = koefisien variabel x
c = konstanta
x = variabel/peubah
Persamaan Kuadrat
Faktorisasi
Kuadrat Sempurna
Rumus ABC
Akar-Akar Persamaan Kuadrat
12
Multiple Choice
Penyelesaian dari 2x2 + 12x = 0 adalah ...
x = 0 dan x = 6
x = 0 dan x = -6
x = 2 dan x = 6
x = -2 dan x = -6
13
Grafik Fungsi Kuadrat
y = 0 -> (x1, 0) dan (x2, 0)
x = 0 -> (0, y)
(xp, yp)
Tipot Sb.X
Tipot Sb.Y
Titik Puncak
Gambar Grafik
14
Multiple Select
Mana sajakah pernyataan yang benar mengenai grafik fungsi kuadrat?
D > 0, maka grafik memotong sb.x di dua titik berbeda
D = 0, maka grafik tidak memotong sb.x (mengambang)
D > 0, a > 0 adalah syarat definit positif
D < 0, a > 0 adalah syarat definit positif
a > 0, maka grafik terbuka ke atas
15
Multiple Choice
Diberikan suatu fungsi kuadrat yaitu f(x) = x2 - 3x - 10 = 0.
Berikut merupakan titik-titik yag diperlukan untuk menggambar grafik, kecuali ...
Tipot sb.x adalah (2, 0) dan (-5, 0)
Tipot sb.y adalah (0, -10)
Nilai sumbu simetri adalah −23
Nilai optimum adalah −449
16
SELAMAT
SEMANGAT
MENUNAIKAN
PSTS
KELAS 9 SEMESTER GANJIL
SMP TRIDAYA TUNAS BANGSA
REVIEW
TENGAH SEMESTER
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