Productes notables
Authored by Teresa Arabí Arabí
Mathematics
4th Grade
Used 37+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quin dels següents productes representa l'àrea de la figura?
( x + 7 ) ( x + 2 )
( x - 7 ) ( x + 2 )
( x + 7 ) ( x - 2 )
( x - 7 ) ( x - 2 )
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(2p + q)²
4p² + 2q + q²
p² + 4pq + q
q² + 4pq + 4p²
2p² + 2pq + 2q²
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(3a – 5b)² es:
9a² - 20ab + 20b²
3a² - 15ab + 25b
9a² - 30ab + 25b²
9a² + 25ab + 25b²
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcula
(x3-5)2
x5-25
x6-25
x5-10x3+25
x6-10x3+25
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x3+7y)⋅(x3-7y)=
x6-7y2
x6-49y2
x9-7y2
x9-49y2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcula
(x + 2)(x +9)
x² + 18x + 11
x² + 11x + 18
x2-11x-18
x2-7x+18
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(3a – 5b)² =
9a² - 20ab + 20b²
3a² - 15ab + 25b
9a² - 30ab + 25b²
9a² + 25ab + 25b²
3a2 - 15ab + 5b2
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