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Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
( 3x - 1 ) (1 + 3x )+ 1 =
9x2 - 2
1 - 9x2
9x2
6x
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual è il termine mancante necessario a completare il seguente quadrato di binomio?
4 - 4a2 + .......
a
2a
2
a2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quale termine è necessario aggiungere per completare il seguente quadrato di binomio?
9y2 + ........ + 16x2
12 xy
24 xy
12x
12y
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2a - (3b -2a) + a
a
3b - 3a
5a - 3b
5a + 3b
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Completa il seguente quadrato di binomio
4x2 + 12 xy + .......
9x2
9y2
3y
6y
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3x2 - (2x + 1)(2x-1) + x2 - 1
4x2
1
-2
0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Questo polinomio è un quadrato di binomio?
4x2 + 12 xy - 9y2
sì perché ci sono tre termini
no perché non ci sono tutti i termini
no perché i segni sono sbagliati
sì , i segni sono tutti giusti
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