
EQUAÇÃO DE SEGUNDO GRAU
Authored by PATRICIA PRADO
Mathematics
1st Grade
Used 10+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A expressão algébrica de uma equação de segundo grau é definida por ax²+bx+c.
Sendo assim quais são os coeficientes a, b, c dessa equação respectivamente x²- 5x -14 = 0
1,-5,-14
-1,+5,+14
14,5,1
5,1,14
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Defina os coeficientes a, b e c da equação: x² +16x + 63= 0
1,16,63
63,16,1
16,63,1
-16,1,63
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Essa equação define-se por?
x²-14x+40=0
completa
incompleta
incompetente
competente
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x²+16x +64=0
Quais são as raízes dessa equação?
x²+16x +64=0
Quais são as raízes dessa equação?
9 e 10
8 e 6
5 e 3
-8 e - 8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x²- 5x -14 = 0
Quais são as raízes dessa equação?
x²- 5x -14 = 0
Quais são as raízes dessa equação?
-3 e 5
3 e 5
-2 e 7
+2 e 7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x² +16x + 63= 0
Quais são as raízes dessa equação?
+8 e -5
+7 e -9
+9 e -7
-9 e -7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma fatorada da equação x² - 14x + 40 = 0?
(x - 4)(x - 10)
(x - 5)(x - 8)
(x - 2)(x - 20)
(x - 1)(x - 40)
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