¿Cuál es la expresión correcta de (a+b)²?

Cuestionario en vídeo tutorial

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Mathematics
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9th Grade
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Medium
paora pepe
Used 1+ times
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a² + b²
a² + 2ab + b²
a² - 2ab + b²
a² + ab + b²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la expresión correcta de (a - b)²?
a² - b²
a² + 2ab + b²
a² - 2ab + b²
a² - ab + b²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la expresión correcta de (x+3)²?
x² + 9
x² + 3x + 9
x² + 6x + 9
x² + 6x + 6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a product (x.y) is raised to a power 'n', how does the exponent 'n' affect the factors 'x' and 'y'?
The exponent 'n' is applied only to 'x'.
The exponent 'n' is applied only to 'y'.
The exponent 'n' is applied to both 'x' and 'y' individually.
The exponent 'n' is added to 'x' and 'y'.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la expresión correcta de (2n-7m)²?
4n² - 14nm + 49m²
4n² - 28nm + 49m²
2n² - 14nm + 7m²
4n² + 28nm + 49m²
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