
Equação do 2º grau 9ºano
Authored by Miriam Carias
Mathematics
9th Grade
CCSS covered
Used 35+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Identifique uma equação do 2°grau incompleta.
0x² + 3 = 0
2x² + x = 9
x² - 8x = 0
x² - x = 3
Tags
CCSS.HSA.REI.B.4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A equação da imagem é:
Equação do 2°grau completa.
Equação do 2° grau incompleta.
Equação do 1° grau completa.
Equação do 1°grau incompleta,
Tags
CCSS.HSA.REI.B.4
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Quais das equações do 2º grau a seguir, são incompletas? (forma reduzida)
x² - 7x + 10 = 0
4x² - 4x + 1 = 0
– x² – 7x = 0
x² - 16 = 0
x² + 2x + 7= 2x + 7
Tags
CCSS.HSA.REI.B.4
4.
MULTIPLE CHOICE QUESTION
2 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
CCSS.HSA.REI.A.1
5.
MULTIPLE CHOICE QUESTION
2 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.REI.B.4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Organizando a equação 2x2 + 3x = 2 podemos dizer que:
a= 2, b= 3, c= 2
a= 2, b= 3, c= - 2
a= 2x2, b=3x, c= 2
a= 2x2, b=3x, c= - 2
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.CED.A.1
7.
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
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