
Equações algebricas
Authored by Erika Da Mata
Mathematics
8th Grade
Used 8+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O dobro do número 'x' adicionado ao quíntuplo do número real y.
2x+5y
2x+5x
2y+ 2x
2x+ 5xy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o valor de x na expressão álgebrica 2x+ 18, quando x=2
25
22
20
18
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A metade do número x adicionado com a quarta parte do número x.
X/2+y/4
X/2/2y
X/4+x/2
X/2-y/4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o valor da expressão álgebrica 5x-2y, quando o valor de x=2 e y=0
20
1 0
15
0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A soma dos ângulos internos de um triângulo é igual a:
90 graus
360 graus
180 graus
45 graus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A diferença de x e y
X-y
X.y
Y-y
X:y
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O complemento de um ângulo de 50 graus é.
50
40
90
180
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