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Cuestionario en vídeo tutorial

Cuestionario en vídeo tutorial

Assessment

Interactive Video

Mathematics

9th Grade

Practice Problem

Medium

Created by

paora pepe

Used 1+ times

FREE Resource

5 questions

Show all answers

1.

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

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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