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Quiz da Equação do 2º Grau

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Quiz da Equação do 2º Grau

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Desafie-se com equações do 2º grau.

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Naizaaa
Naizaaa
Brazil

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Quiz da Equação do 2º Grau
 

Quiz da Equação do 2º GrauOnline version

Desafie-se com equações do 2º grau.

by Naizaaa
1

O vértice da parábola y = ax^2 + bx + c está em x = -b/(2a).

2

A fórmula de Bhaskara resolve ax^2 + bx + c = 0: x = (-b ± sqrt(b^2 - 4ac)) / (2a).

3

A fórmula de Bhaskara funciona apenas quando Δ é maior que zero.

4

O coeficiente a pode ser zero em uma equação do 2º grau.

5

Quando Δ = 0 existem duas soluções distintas.

6

O eixo de simetria é x = -b/(2a).

7

A parábola abre para cima se a < 0.

8

Se Δ < 0, não há raízes reais.

9

Se Δ > 0, a equação não tem raízes reais.

10

O discriminante Δ = b^2 - 4ac determina o número de raízes reais.

 
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