Equação do 2° grau

Quiz
•
Mathematics
•
9th Grade
•
Hard
+6
Standards-aligned
Rodolfo Cavalcante
Used 147+ times
FREE Resource
29 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual equação é considerada do 2° grau?
2x²+3x-8=2x²
4x²+3x³+x+6=3x³
x+4 = 3x
-3x + x² = x²
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Para a equação ser do 2°grau é necessário:
Ter o coeficiente a=2
Ter o maior grau de x = 2
Ter 2 termos
O resultado ser 2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Os valores dos coeficientes a, b e c são respectivamente:
1;-3;2
0;3;2
1;3;2
-1;-3;-2
Tags
CCSS.HSA.REI.B.4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quais os coeficientes da equação: x + 3x² = 5
a = 1, b = 3, c= 5
a = 1, b = 3, c = - 5
a = 3 , b = 1 , c = 5
a = 3, b = 1, c = -5
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.REI.B.4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quais os coeficientes?
a = 6
b = 2
c = 1
a=9
b= - 6
c = 1
a= 9
b= 6
c= 1
a= 2
b= 6
c= 1
Tags
CCSS.HSA.APR.A.1
CCSS.HSA.REI.B.4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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
Tags
CCSS.HSA.REI.B.4
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A equação reduzida do 2º grau corresponde a:
3x²-11x-4=0
x²-5x-4=0
13x²-4=0
2x²-8x-4=0
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