Polinômios - operações

Polinômios - operações

3rd Grade

12 Qs

quiz-placeholder

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Polinômios - operações

Polinômios - operações

Assessment

Quiz

Mathematics

3rd Grade

Practice Problem

Hard

Created by

Patrícia Espíndola da Silva

Used 3+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sabendo que A = (x2 + 4x – 5) e B = (–3x2 + 12x – 1), o resultado de A + B é:

4x2 - 16x + 6

– 8x2 + 7x – 1

– 2x2 + 16x– 6

– 4x2 + 16x – 6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sabendo que A = ( x2 + 12x – 9 ) e B = (– 8x2 + 7x – 1), o resultado de A - B é:

9x2 + 5x - 8


-7x2 + 19x - 10

-9x2 - 5x + 8


7x2 - 19x + 10

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Analisando o polinômio 4x5 + 8x³ – x, podemos afirmar que o grau desse polinômio é igual a:

3

5

8

9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A expressão algébrica (x + 3y) é classificada como:

Monômio

Binômio

Trinômio

Polinômio

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A expressões algébricas que representa um monômio, é:


a – b – c

x + 3m- 2a – 7b

-5xyz³

x + 3m

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A parte literal do monômio 2y³x²z, é:

y³x²z

2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O grau do monômio 2y³x²z, é:

6

5

3

2

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