Equação do 2° grau
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
GISLAINE PEDROSO
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15 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
1) Quais equações abaixo são do 2º grau?
a) 5x²-1=0
b) 6x²-8x=0
d) x-7x-1=0
c) x³-5x²+4=0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2) Determine os valores dos coeficientes a, b e c da equação 2x²-8x+7=0
c) a=7, b=-8 e c=2
b) a=4, b=-16 e c=14
a) a=2, b=-8 e c=7
d) a=2, b=-7 e c=8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3) Determine o valor do coeficiente a da equação x²-5x+6=0
c) a=6
b) a=-5
a) a=1
d) a=0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4) Determine o valor do coeficiente b da equação 3x²-7x-4=0
b) b=3
a) b=-7
c) b=-4
d) b=0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5) Determine o valor do coeficiente c da equação x²-x-6=0
d) c=0
c) c=1
b) c=-1
a) c=-6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6) A equação x²-8=0 é completa ou incompleta?
a) incompleta
b) completa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7) A equação 2x²-1=0 é completa ou incompleta?
a) incompleta
b) completa
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