Equações do 2°grau - 9°ano
Quiz
•
Fun
•
10th Grade
•
Hard
Felipe Dias
Used 19+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a equação que possui raízes V={4; 6}?
x² - 4x + 6 = 0
x² - 10x + 24 = 0
x² - 6x + 4 = 0
x² - 24x + 10 = 0
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a equação do 2°grau possui raízes V={- 3; 8}
x² - 5x + 24 = 0
x² + 5x - 24 = 0
x² - 5x - 24 = 0
x² - 3x + 8 = 0
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
A equação 4x² - 20x = 0 é incompleta, então qual a correta?
Incompleta em b
Possui raízes {0; 5}
Incompleta em a
Possui raízes V = {-5; 5}
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A equação 6x² - 30x = 0 é incompleta. Quais as suas raízes?
V = {0; -6}
V = {-2; 2}
V = {-5; 5}
V = {0 ; 5}
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A equação x² - 100 = 0 é incompleta. Qual a alternativa correta?
V = {0; 100}
V = {0; 10}
Incompleta em c
V = {-10; 10}
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Resolva a equação 4x² - 36 = 0. Qual a alternativa correta?
V = {0; 9}
V = {-9; 9}
V = {-3; 3}
V = { }
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A equação 2x² - 11x + 30 = 0, possui os coeficientes:
a=2 b=1 c=30
a=2 b=-11 c=-30
a=2 b=-11 c=30
a=1 b=11 c-30
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