
Equação do 2º grau - conceitos iniciais

Quiz
•
Mathematics
•
9th Grade
•
Hard
Lucas Pires
Used 1+ times
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são os valores dos coeficientes da equação x² + 56 - 2x =0 ?
a= 1, b = 56, c = -2
a=1, b=-2, c=56
a=2, b=2, c=56
a=1. b=2, c=56
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O coeficiente b da equacao -6x+x² -25=0 tem valor?
2
-25
-6
1
3.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Quais são os coeficientes numéricos dessa Equação?
a = 6
b = 2
c = 1
a = 9
b = -6
c = 1
a = 9
b = 6
c = 1
a = 2
b = 6
c = 1
4.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Qual das equações abaixo é do segundo grau?
x² + 3x - 1 = x² + 10
0x² + 4x – 3 = 0
x + x + 6 = 0
x · (x - 5) = 0
2x³ - 8x² - 2 = 0
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Quais equações abaixo são do 2º grau?
6.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Quantas equações incompletas há?
1- x² + 6x = 0
2- 4x² + 7x = -2
3- 19x² = 0
4- 3x² - 7x - 6 = 0
5- 3 + 5x² = 0
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Complete com a palavra que está faltando: O valor desconhecido é chamado de _________ que significa "termo a determinar".
incógnita
resultado
variante
numerador
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