Equação do 2°grau

Equação do 2°grau

9th Grade

10 Qs

quiz-placeholder

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Equação do 2°grau

Equação do 2°grau

Assessment

Quiz

Mathematics

9th Grade

Hard

CCSS
HSA.REI.B.4, HSA.REI.A.1, HSA.APR.B.3

+2

Standards-aligned

Created by

Mateus Lovo

Used 192+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Quais os coeficientes dessa equação?

a = 6

b = 2

c = 1

a = 9

b = - 6

c = 1

a = 9

b = 6

c = 1

a = 2

b = 6

c = 1

Tags

CCSS.HSA.REI.B.4

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

Tags

CCSS.HSA.REI.B.4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

A equação reduzida do 2º grau coresponde a:

3x² - 11x - 4=0

x² - 5x - 4=0

13x² - 4=0

x² - 5x - 4=0

3x² - 5x - 4 = 0

Tags

CCSS.HSA.REI.B.4

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A solução da equação x² = 100, é:

50 e - 50

0 e 10

Não tem raízes reais

0 e - 10

10 e - 10

Tags

CCSS.HSA.REI.B.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A solução da equação x² + 9 = 0, é:

9 e - 9

3 e - 3

Não tem raízes reais

81 e - 81

0 e - 3

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Resolva as equações de 2° grau, no conjunto R:

(x + 3). ( x - 3) = 72

+ 9 e - 9

+ 8 e - 8

+27 e - 3

-80 e + 1

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A solução da equação x² + 4x = 0, é:

4 e - 4

0 e 4

0 e - 4

2 e - 2

0 e - 2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

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