
Equações do 2º Grau
Quiz
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
KEVYN SCHRAIER
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Para os coeficientes indicados em cada item, escreva uma equação do 2º grau na forma reduzida. a = 2; b = -3 e c = 8
2x² - 3x + 8 = 0
2x² + 3x - 8 = 0
2x² - 3x - 8 = 0
2x² + 3x + 8 = 0
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Indique os coeficientes de cada equação e classifique-as em completa ou incompleta. 2x² - 6x - 8 = 0
a = 2, b = -6, c = -8; completa
a = 2, b = 6, c = 8; incompleta
a = 2, b = -6, c = 8; completa
a = 2, b = 6, c = -8; incompleta
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Escreva as equações na forma reduzida e indique seus coeficientes. 2x² + 4x = -3x² + x - 5
a = 5, b = 3, c = -5
a = 5, b = 5, c = -5
a = 5, b = 3, c = 5
a = 5, b = 5, c = 5
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calcule as raízes das equações a seguir. x² - 16 = 0
x = 4 e x = -4
x = 4 e x = 4
x = -4 e x = -4
x = 0 e x = 4
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Indique os coeficientes de cada equação e classifique-as em completa ou incompleta. -x² + 3x = 0
a = -1, b = 3, c = 0; incompleta
a = -1, b = -3, c = 0; completa
a = 1, b = 3, c = 0; incompleta
a = 1, b = -3, c = 0; completa
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calcule as raízes das equações a seguir. 4x² - 16 = 0
x = 2 e x = -2
x = 4 e x = -4
x = 2 e x = 4
x = -2 e x = -4
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Para os coeficientes indicados em cada item, escreva uma equação do 2º grau na forma reduzida. a = 1; b = -4 e c = -5
x² - 4x - 5 = 0
x² + 4x - 5 = 0
x² - 4x + 5 = 0
x² + 4x + 5 = 0
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