Equação do segundo grau
Flashcard
•
Mathematics
•
10th Grade
•
Easy
Rita Mendonça
Used 1+ times
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10 questions
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1.
FLASHCARD QUESTION
Front
Quais os coeficientes?
Back
a=9, b=-6, c=1
2.
FLASHCARD QUESTION
Front
Qual das equações abaixo é do segundo grau?
Options: x² + 3x - 1 = x² + 10, 0x² + 4x – 3 = 0, x + x + 6 = 0, x · (x - 5) = 0, 2x³ - 8x² - 2 = 0
Back
x · (x - 5) = 0
3.
FLASHCARD QUESTION
Front
A equação reduzida do 2º grau coresponde a:
Back
3x² - 11x - 4=0
4.
FLASHCARD QUESTION
Front
A solução da equação x² = 100, é:
Back
10 e - 10
5.
FLASHCARD QUESTION
Front
x² + 9 = 0
Back
Não tem raízes reais
6.
FLASHCARD QUESTION
Front
(x + 3) * (x - 3) = 72
Back
+ 9 e - 9
7.
FLASHCARD QUESTION
Front
A solução da equação x² + 4x = 0, é:
Back
0 e - 4
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