Test 4: Expresiones algebraicas
Authored by Persing G.
Mathematics
University
Used 11+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
¿A qué es igual (a + b)2 ?
a2 + b2 + 2ab
a2 + b2 - 2ab
2(a2 + b2)
4ab
2.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
¿A qué es igual (a - b)2 ?
a2 + b2 + 2ab
a2 + b2 - 2ab
2(a2 + b2)
4ab
3.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
¿A qué es igual (a + b)2 + (a - b)2 ?
a2 + b2 + 2ab
a2 + b2 - 2ab
2(a2 + b2)
4ab
4.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
¿A qué es igual (a + b)2 - (a - b)2 ?
a2 + b2 + 2ab
a2 + b2 - 2ab
2(a2 + b2)
4ab
5.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
¿A qué es igual a2 - b2 ?
a2 - b2 + 2ab
a2 + b2 - 2ab
2(a2 - b2)
(a + b)(a - b)
6.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
¿A qué es igual (a + b)3 ?
(a + b)(a2 - ab + b2)
a3 - b3 + 3a2b - 3ab2
(a - b)(a2 + ab + b2)
a3 + b3 + 3a2b + 3ab2
7.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
¿A qué es igual (a - b)3 ?
(a + b)(a2 - ab + b2)
a3 - b3 - 3a2b + 3ab2
(a - b)(a2 + ab + b2)
a3 + b3 + 3a2b + 3ab2
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