1. Bentuk umum dari persamaan kuadrat x(x - 4)= 2x + 3 adalah...
GAME MATEMATIKA

Quiz
•
Mathematics
•
10th Grade
•
Hard
Deaaa S
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A. x2 - 2x + 3 = 0
B. x2 - 6x -3 = 0
C. 2x2 + 6x -3 = 0
D. x2 - 8x -3 = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Persamaan kuadrat memiliki akar x1 dan x2 jika x1 < x2, nilai 3x1.2x2 adalah...
A. -4
B. -8
6
4
Answer explanation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Sebuah kelereng dijatuhkan dari atap gedung. Persamaan gerak kelereng tersebut mengikuti persamaan ketinggian seperti berikut.
h(t) = 3x2 - 12x - 12 dengan t dalam s dan h dalam m
A. 4s
B. 1s
C. 3s
D. 2s
Answer explanation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Nilai diskriminan dari 4x2 - 2x + 1 = 0 adalah...
A. 12
B. -15
C. -12
D. -14
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Sita memiliki selembar kertas yang panjangnya (x+4) cm dan lebarnya (x-2) cm. Jika luas kertas tersebut 40 cm2, nilai x adalahh...
A. 10
B. 8
C. 6
D. 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Diketahui m dan n akar-akar persamaan ax2 + bx+ c = 0. Jika m +2 dan n +2 akar-akar persamaan kuadrat ax2 + qx + r = 0, maka q+r =...
A. c+3b
B. c-b+4a
C. c-b
D. c-3b+8a
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Persamaan (2m-4) x2 + 5x+2 = 0 mempunyai akar-akar real berbalikan maka nilai m=...
A. -3
B. -1/3
C. 1/3
D. 3
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