Introdução de equação do 2º grau
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+8
Standards-aligned
Kelen Tatiane da Silva
Used 154+ times
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20 questions
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1.
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
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Quais das equações do 2º grau a seguir, são incompletas? Obs: tem mais de uma alternativa correta.
x² - 7x + 10 = 0
4x² - 4x + 1 = 0
– x² – 7x = 0
x² - 16 = 0
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Organizando a equação 2x2 + 3x = 2 podemos dizer que:
a= 2, b= 3, c= 2
a= 2, b= 3, c= - 2
a= 2x2, b=3x, c= 2
a= 2x2, b=3x, c= - 2
Tags
CCSS.HSA.CED.A.1
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 é o resultado de a+b?
Lembrando que a e b são os coeficientes da equação.
2
5
- 1
421
Tags
CCSS.HSA.APR.A.1
CCSS.HSA.SSE.A.1
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Identifique uma equação do 2°grau incompleta.
0x² + 3 = 0
2x² + x = 9
x² - 8x = 0
x² - x = 3
Tags
CCSS.HSA.REI.B.4
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