

Cálculo e Interpretação de Delta
Interactive Video
•
Mathematics
•
6th - 10th 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 que multiplica o termo x² em uma equação do segundo grau?
a
b
c
d
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o coeficiente b é -3, como ele deve ser representado na fórmula de Bhaskara?
(3)
-3
3
(-3)
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular o delta em uma equação do segundo grau?
b² - 2ac
b² + 2ac
b² + 4ac
b² - 4ac
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do delta se b = -3, a = 5 e c = -2?
49
39
29
19
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na fórmula de Bhaskara, o que representa a expressão 'b² - 4ac'?
As raízes
O coeficiente c
O delta
O coeficiente a
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a raiz quadrada de 49, usada na fórmula de Bhaskara?
7
6
5
8
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se x1 é calculado como (3 + 7) / 10, qual é o valor de x1?
1,5
0,5
2
1
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