Equação do 2° grau

Equação do 2° grau

9th Grade

29 Qs

quiz-placeholder

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Equação do 2° grau

Equação do 2° grau

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

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

+6

Standards-aligned

Created by

Rodolfo Cavalcante

Used 151+ times

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29 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual equação é considerada do 2° grau?

2x²+3x-8=2x²

4x²+3x³+x+6=3x³

x+4 = 3x

-3x + x² = x²

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Para a equação ser do 2°grau é necessário:

Ter o coeficiente a=2

Ter o maior grau de x = 2

Ter 2 termos

O resultado ser 2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Os valores dos coeficientes a, b e c são respectivamente:

1;-3;2

0;3;2

1;3;2

-1;-3;-2

Tags

CCSS.HSA.REI.B.4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Quais os coeficientes da equação: x + 3x² = 5

a = 1, b = 3, c= 5

a = 1, b = 3, c = - 5

a = 3 , b = 1 , c = 5

a = 3, b = 1, c = -5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

5.

MULTIPLE CHOICE QUESTION

2 mins • 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

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.REI.B.4

6.

MULTIPLE CHOICE QUESTION

2 mins • 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

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A equação reduzida do 2º grau corresponde a:

3x²-11x-4=0

x²-5x-4=0

13x²-4=0

2x²-8x-4=0

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