Identifique os coeficientes de cada equação e diga se ela é completa ou não:
recuperação do trabalho matemática equação 9º ano

Quiz
•
Mathematics
•
9th Grade
•
Hard
Used 18+ times
FREE Resource
11 questions
Show all answers
1.
MATCH QUESTION
1 min • 5 pts
a=1 b=-6 c=0
incompleta
5x2 - 3x - 2 = 0
a= 5 c=-3 c=-2
completa
x2 - 6x = 0
a=3 b=0 c=55
incompleta
3x2 + 55 = 0
a=1 b=-10 c=25
completa
x2 - 10x + 25 = 0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seja a equação x² - 36 = 0, qual são as raízes?
2, - 2
6, -6
8, -8
18, -18
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quais são as raízes dessa equação : x² + 9x = 0
0, 9
0, -9
0, 4
4, 0
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quais são as raízes dessa equação : 8x² - 16x = 0
0, 2
8, 16
2, 4
0, 4
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Resolva em R a equação 3x² – x – 2 = 0, através de Bhaskara. Suas raízes são:
7.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Resolva em R a equação x² + 3x – 40 = 0, através de Bhaskara. Suas raízes são:
5, -8
-5, 8
-5, -8
-5, -5
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