
Equação do 1º Grau com Duas Incógnitas
Authored by GUILHERME SANTANA LAVINO
Mathematics
1st Grade
Used 4+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula geral de uma equação do 1º grau com duas incógnitas?
ax + by + c = 0
ax - by = c
ax + by = c
ax + by = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva a equação 3x + 2y = 10 para x.
x = (10 + 2y) / 3
x = (10 - 2y) / 3
x = (10 - 3y) / 2
x = (10 - 2y) * 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva a equação 2x + 7 = 15 para x.
x = 10
x = 6
x = 4
x = 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva a equação 3y - 8 = 13 para y.
y = 3
y = -5
y = 7
y = 10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de y na equação 4x + 6y = 30 quando x = 3?
5
3
8
10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de x na equação 2x - 5y = 10 quando y = 3?
15
7.5
12.5
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva a equação 8x - 4 = 20 para x.
x = 3
x = 5
x = 10
x = 2
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