Identidades notables
Authored by Javier Martín Morientes
Mathematics
7th - 9th Grade
Used 23+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(a + b)2
a2 + b2 + 2ab
a2 + b2 - 2ab
a2 - b2
a2 + b2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(a - b)2
a2 + b2 + 2ab
a2 + b2 - 2ab
a2 - b2
a2 + b2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(a + b)(a - b)
a2 + b2 + 2ab
a2 + b2 - 2ab
a2 - b2
a2 + b2
b2 - a2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(x - 2)2
x2 + 4 + 4x
x2 + 4 - 4x
42 - x2
x2 + 42
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(9 + y)2
81 + y2 + 18y
92 + y - 18y
92 + y + 18y
81 + y2 + 16y
81 + y2 + 9y
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
100x2 - 64y6
(10x + 8y) (10x - 8y)
(10x + 8y2) (10x - 8y2)
(10x + 8y3) (10x - 8y3)
(10x + 9y3) (10x - 9y3)
(8y3 + 10x) (8y3 - 10x)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4x4 - 64y2
(2x2 + 8y) (2x2 - 8y)
(2x + 8y2) (2x - 8y2)
(2x2 + 8y3) (2x2 - 8y3)
(4x2 + 12y) (4x2 - 12y)
(4y2 + 2x) (4y2 - 2x)
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