Quiz Equações 2º grau
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Teresa Martins
Used 7+ times
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Quais da equações abaixo são do 2º grau?
5x-1=0
6x2-8x=0
x3-5x2+4=0
x-7x-1=0
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A equação 2 x2 - 1 = 0 é completa ou incompleta?
completa
incompleta
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A equação 3x2-x-1=0 é completa ou incompleta?
completa
incompleta
4.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Marque a forma completa ax2+bx+c=0 da equação x(2x-3)=4x-1
2x2-7x+1=0
2x2+7x+1=0
4x2-2x-1=0
2x2-7x-3=0
5.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Quais são as raízes da equação x2-7x =0?
S={-7,-7}
S={-7,7}
S={0,14}
S= {0,7}
6.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Qual a solução da equação 2x² -18 = 0 ?
S = {- 3 , 3}
S = {- 9 , 9}
S = {3}
S = {9}
7.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Quais as soluções da equação ?
e
e
e
e
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