quiziz persamaan dan faktorisasi kuadrat

Quiz
•
Mathematics
•
University
•
Hard
senandika karbieze
Used 4+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Faktorisasi dari x² + 5x + 6 adalah
( x + 3 ) ( x + 2 )
( x - 3 ) ( x - 2 )
( x + 6 ) ( x - 1 )
( x + 2 ) ( x - 3 )
2.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Persamaan kuadrat yang memiliki akar-akar x = 4 dan x = -2 adalah
x² - 2x - 8 = 0
x² - 2x + 8 = 0
x² - 2x - 8 = 4
x² - 2x - 8 = 0
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
P: Persamaan x² - 4x + 5 = 0 tidak memiliki akar real.
Q: Diskriminannya lebih kecil dari nol.
P benar, Q salah
P salah, Q benar
P dan Q benar
P dan Q salah
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Jika akar-akar suatu persamaan kuadrat adalah x1 dan x2, maka jumlah akar selalu -b/a dan hasil kali akar selalu c/a
true
false
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Manakah pernyataan yang benar?
Persamaan x² + 4 = 0 tidak memiliki akar real.
Persamaan kuadrat tanpa suku x disebut bentuk tidak lengkap.
Persamaan x² - 6x = 0 termasuk bentuk lengkap.
Bentuk lengkap memiliki semua suku ax² + bx + c
1 dan 2
1, 2, dan 4
2, 3, dan 4
semua benar
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Persamaan kuadrat yang memiliki akar-akar 5 dan -1 adalah...
x² + 4x - 5 = 0
x² - 4x - 5 = 0
x² - 4x + 5 = 0
x² - 5x - 1 = 0
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Diketahui persamaan kuadrat: x² + bx + c = 0.
Jika diketahui b + c = 7, apakah cukup untuk menentukan faktornya?
Ya
Tidak
Tergantung nilai b
Tidak cukup data
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