
Equação Incompleta 2° grau
Authored by Rodolfo Cavalcante
Mathematics
9th Grade
CCSS covered
Used 491+ times

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15 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 CHOICE QUESTION
5 mins • 1 pt
As raízes da equação 2x² - 40 = x² + 9, são:
7 e 7
7 e -7
-7 e -7
14 e 7
Tags
CCSS.HSA.REI.B.4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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
5.
MULTIPLE SELECT QUESTION
5 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
6.
MULTIPLE CHOICE QUESTION
5 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
7.
MULTIPLE CHOICE QUESTION
5 mins • 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.B.4
CCSS.HSA.REI.A.1
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