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2º SÉRIE

Authored by Thaylon Santos

Mathematics

1st Grade

2º SÉRIE
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26 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Quais os coeficientes?

a = 6

b = 2

c = 1

a=9

b= - 6

c = 1

a= 9

b= 6

c= 1

a= 2

b= 6

c= 1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual das equações abaixo é do segundo grau?

x² + 3x - 1 = x² + 10

0x² + 4x – 3 = 0

x + x + 6 = 0

x · (x - 5) = 0

2x³ - 8x² - 2 = 0

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Qual o valor do coeficiente a na equação: 2x² + 4x - 6 = 0

2

4

6

-6

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Qual o valor do coeficiente b na equação: x² - 5x + 2= 0

2

1

5

-5

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Qual o valor do coeficiente a na equação: x - 3x² + 2= 0

1

-3

3

2

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Na equação quadrática abaixo, identifique os coeficientes a, b e c.

2x² + 3x − 5 = 0

a = 3, b = 2, c = -5
a = -5, b = 3, c = 2
a = 2, b = -3, c = 5
a = 2, b = 3, c = -5

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Quais os coeficientes?

a = 6

b = 2

c = 1

a=9

b= - 6

c = 1

a= 9

b= 6

c= 1

a= 2

b= 6

c= 1

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