
Lista de Exercícios - 2ª prova/4º bimestre - 8ºano

Quiz
•
Mathematics
•
8th Grade
•
Easy
Tamires Stocco
Used 1+ times
FREE Resource
27 questions
Show all answers
1.
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
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,
3.
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
4.
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
5.
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
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Resolva a seguinte equação do 2° grau:
3x2 = 75
x= 5
x1 = 5 ; x2 = - 5
x1 = 3/75 ; x2 = - 3/75
Não tem solução
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1) Qual é o conjunto solução da equação: 2x² = 32?
S = {+4, -4}
S = {+8, -8}
S = {+16, -16}
S = {+32, -32}
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