
Geometria e Equações Quadráticas
Interactive Video
•
Mathematics
•
6th - 9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o coeficiente 'a' na equação 3x² - 6x = 0?
3
1
-6
0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como classificamos uma equação do segundo grau que não possui o termo 'c'?
Completa
Quadrática
Incompleta
Linear
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de Δ (delta) na equação x² - 36 = 0 usando a fórmula de Bhaskara?
0
36
144
72
Tags
CCSS.8.EE.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a raiz quadrada de 25/9?
9/25
3/5
-5/3
5/3
Tags
CCSS.8.EE.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a solução para a equação x² + 49 = 0 no conjunto dos números reais?
49
-7
7
Não existe
Tags
CCSS.8.EE.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a medida do lado de um terreno quadrado com área de 361 metros quadrados?
18 metros
19 metros
21 metros
20 metros
Tags
CCSS.8.EE.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o perímetro de um terreno quadrado com lado de 19 metros?
76 metros
78 metros
80 metros
72 metros
Tags
CCSS.8.EE.A.2
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