fungsi kuadrat

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
istianingrum anggiyani
Used 123+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nilai diskriminan persamaan kuadrat -x2 + 2x - 16 = 0 adalah ...
68
60
-60
-68
78
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika diketahui fungsi kuadrat y = x2 - 6x + 10 maka hasil dari a + b + c adalah ...
16
15
10
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui fungsi kuadrat y = ax2 + bx + c.
Jika diketahui y = (2x + 5)(x -5), maka nilai a,b dan c adalah ...
a = -2, b = -5 dn c = -25
a = 2, b = -5 dn c = -25
a = 2, b = 5 dn c = -25
a = 2, b = -5 dn c = 25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koefisien x2 dari fungsi kuadrat y = (3x -4)(2x + 5) adalah ...
4
6
7
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan kuadrat yang jumlah akar-akarnya -10 dan hasil kali akar-akarnya 21 adalah ...
x2 + 10x + 21
x2 - 10x + 21
x2 + 10x - 21
x2 - 10x - 21
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jumlah dua bilangan cacah adalah 20 dan hasilkalinya 96 , kedua bilangan cacah tersebut adalah…
10 dan 10
16 dan 4
12 dan 8
11 dan 9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui persamaan kuadrat 3x2 - 8x + 1 = 0. Nilai diskriminan persamaan tersebut adalah ....
76
64
54
52
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