Kuis Persamaan Kuadrat

Quiz
•
Mathematics
•
9th Grade
•
Hard
Faridatun Nida
Used 9+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan x2-3=2(x-5) memiliki bentuk umum ax2+bx+c=0, nilai 3a-2b+c adalah....
-8
6
12
14
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika x=-5 merupakan salah satu akar persamaan x2+2x+c=0, maka nilai c adalah…
15
8
-2
-15
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nilai x yang memenuhi persamaan x(x+2) adalah…
-4 atau 4
-4 atau 2
-4 atau -2
2 atau 4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika a dan b merupakan akar-akar persamaan kuadrat 2x2 +6x-8=0 maka nilai a2+b2 adalah…
17
15
-15
-17
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan kuadrat baru yang memiliki akar x1= -3 dan x2=5 adalah….
x2-2x-15=0
x2-8x+15=0
x2+2x-15=0
x2+8x+15=0
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Akar-akar dari persamaan kuadrat 2x2-9x+10=0 adalah…
-2 atau 5/2
2 atau 5/2
-2 atau 2/5
2 atau 2/5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bentuk kuadrat sempurna dari persamaan x2-10x+25 adalah…
(x-5)2
(x+5)2
(2x-5)2
(2x+5)2
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