
PL 9 _01
Authored by Gilmar Gonçalves da Silva
Other
9th Grade
Used 10+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual equação é considerada do 2° grau?
4x²+3x³+x+6=3x³
2x²+3x-8=2x²
-3x + x² = x²
x+4 = 3x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para a equação ser do 2°grau é necessário:
Ter o coeficiente a=2
Ter o maior grau de x = 2
O resultado ser 2
Ter 2 termos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais os coeficientes da equação: x + 3x² = 5
a = 1, b = 3, c= 5
a = 3 , b = 1 , c = 5
a = 1, b = 3, c = - 5
a = 3, b = 1, c = -5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique uma equação do 2°grau incompleta.
0x² + 3 = 0
2x² + x = 9
x² - 8x = 0
x² - x = 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine os coeficientes (a,b e c) da equação X2 + X+ 2= 0
A = 0 B= 1 C= 2
A = 1 B= 0 C= 2
A = 1 B= 1 C= 2
A = 1 B= 1 C= 0
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