Operações Matemáticas

Operações Matemáticas

9th Grade

10 Qs

quiz-placeholder

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Operações Matemáticas

Operações Matemáticas

Assessment

Quiz

Mathematics

9th Grade

Hard

Used 10+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calcule a soma das frações 1/3 e 2/5.

11/15

7/10

5/8

3/7

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Subtraia a fração 3/4 da fração 5/8.

-1/2

1/8

-1/8

2/3

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Determine o resultado da equação incompleta do segundo grau x^2 + 5x = 0.

x = 0, x = -5

x = 0, x = 1

x = 2, x = -3

x = 5, x = -5

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Resolva a equação incompleta do segundo grau 2x^2 - 10x = 0 por fatoração.

x = 0, x = 5

x = 2, x = 3

x = 1, x = 4

x = -5, x = 0

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Encontre as raízes da equação do segundo grau x^2 - 4x + 4 = 0 utilizando a fórmula de Bhaskara.

x = 3

x = 1

x = -2

x = 2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calcule as soluções da equação do segundo grau 3x^2 + 7x - 6 = 0 por Bhaskara.

x1 = 1, x2 = -3/2

x1 = 4, x2 = -5

x1 = 0, x2 = -6

x1 = 2, x2 = -3

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplifique a expressão (2/3) * (5/4).

3/5

1/2

5/6

7/8

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