Menyederhanakan bentuk aljabar
Authored by Fitri Christina Mandasari
Mathematics
8th Grade
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koefisien untuk variabel a2 dan ab2 dari bentuk aljabar 2a2-4a+4ab2-3b2 berturut-turut adalah...
-4 dan -3
2 dan 4
-4 dan 4
2 dan -3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suku-suku sejenis dari bentuk aljabar 3p2q + 5pq2 + 3p2q2 - 4pq2 adalah...
3p2q dan -4pq2
3p2q2 dan 5pq2
5pq2 dan -4pq2
3p2q dan 3p2q2
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Banyak suku pada 2x4 -5x3 - 4x2 + 7x adalah...
(a)
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Hasil dari bentuk aljabar 7a + 2a + 4a adalah...
(a)
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Tentukan jumlah dari 3x + 5y dan 9x -7y!
Evaluate responses using AI:
OFF
Answer explanation
= ( 3x + 9x ) + ( 5y - 7y )
= ( 11x ) + ( -2y)
= 11x - 2y
6.
OPEN ENDED QUESTION
3 mins • 1 pt
Kurangkanlah 8p2 + 10p - 15 dari 4p2 - 10p - 5!
Evaluate responses using AI:
OFF
Answer explanation
= ( 4p2 - 10p - 5 ) - ( 8p2 + 10p -15 )
= 4p2 _ 8p2 - 10p - 10p - 5 + 15
= -4p2 - 20p + 10
7.
DRAW QUESTION
3 mins • 1 pt
Tentukan keliling tersebut dalam bentuk x !
Answer explanation
Keliling segitiga = a + b + c
= x + 1 + 2x + 1 + 2x
= x + 2x + 2x + 1 + 1
= 5x + 2 cm
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