Sabanilla 8
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
profes Willi- Aura
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Al reducir este polinomio 2x2 + 3x2 - x2 el resultado es
- 6x2
6x2
-4x2
4x2
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
(7x4 - 5x5 + 4x2 - 7) + (x3 - 3x2 - 5 - x) - (-3x4 + 5 - 8x + 2x3)
10x4 - 5x5 - x3 + x2 + 7x -17
4x4 - 5x5 + x3 - x2 + 7x -12
-4x4 - 5x5 - x3 + x2 + 7x +12
10x4 - 5x5 + x3 - x2 + 7x +17
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
La siguiente operación (-x2 + y2 + z2) + (2x2 - y2 + z2) tiene como resultado:
3x2 + 2y2 + 2z2
x2 + z2
x2 + 2z2
2z2 + 2y2 + x2
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
(3a + 4b) - (5a - 2b)
- 2a + 6b
2a + 2b
8a + 2b
- 8a + 6b
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
(7a + 11b) - (13a - 13b)
-6a + 24b
24a + 6b
6a + 2b
-20a - 2b
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
(4a + 5b + 7c) - (10a - 7b + 7c)
-14a + 12b + 14c
6a -2b
14a - 2b + 14c
- 6a + 12b
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