
Equações Biquadradas
Authored by DEBORA BIANCATO
Mathematics
1st Grade
Used 2+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é a forma geral de uma equação biquadrada?
ax + b = 0
ax2 + bx + c = 0
ax3 + bx + c = 0
ax4 + bx2 + c = 0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o primeiro passo para resolver uma equação biquadrada?
Divida todos os termos pelo maior expoente
Some todos os coeficientes
Transforme-a em uma equação de segundo grau
Multiplique todos os termos por 2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na equação y4 – 10y2 + 9 = 0, qual substituição é feita?
y = x2
y2 = x
y4 = x
y = x
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quais são as raízes da equação x2 – 10x + 9 = 0?
5 e 4
10 e 8
9 e 1
3 e 3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o valor de y quando x = 1 na equação y2= x?
±3
±2
±1
±9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o conjunto solução para a equação y4 – 10y2 + 9 = 0?
{-3, -1, 1, 3}
{-9, -1, 1, 9}
{-1, -1, 1, 1}
{-3, -2, 2, 3}
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine o conjunto solução da seguinte equação biquadrada: x4 – 5x² + 4 = 0.
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