

Equações do Segundo Grau
Interactive Video
•
Mathematics
•
9th Grade
•
Hard
GUSTAVO SANTOS
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são os coeficientes a, b e c da equação do segundo grau x² - 3x - 10 = 0?
a=1, b=3, c=10
a=1, b=-3, c=-10
a=0, b=-3, c=-10
a=1, b=-3, c=10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor do discriminante (Δ) para a equação x² - 3x - 10 = 0?
9
40
49
-31
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são as raízes da equação do segundo grau x² - 3x - 10 = 0?
{2, -5}
{-2, 5}
{3, -10}
{-3, 10}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva a equação do segundo grau incompleta x² + 5x = 0.
{0, 5}
{0, -5}
{5, -5}
{1, 5}
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Encontre as raízes da equação do segundo grau incompleta x² - 16 = 0.
{4}
{-4}
{-4, 4}
{16, -16}
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