Polinomis 3
Authored by Joan Comalada
Mathematics
4th Grade
Used 14+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x2 + x2
x4
2x2
4x
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x3 · x3
x9
2x3
6
x6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(2x2 + 4x - 3) + (x2 -3x + 5)
3x2 + x + 2
2x4 - 12x2 - 15
x2 + x + 8
19
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(a + b)2 =
a2 + 2ab + b2
a2 - 2ab + b2
a2 - b2
cap és correcte
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x - 3)2 =
x2 - 9
x2 - 6x + 6
x2 - 6x + 9
x2 + 6x + 9
6.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
(a + 2b) · (a - 2b) =
a2 - b2
a2 - 4ab + 4b2
a2 - 2ab + 4b2
a2 - 4b2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x2 - 10x + 25 =
(x + 5)2
(x - 5)2
(x + 5) · (x - 5)
Cap és correcte
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