
Expressões Algébricas (7ºano)
Authored by Maiza Silveira
Mathematics
7th Grade
Used 185+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é o coeficiente do termo 13a na expressão 13a + 6b?
13
6
a
b
c
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual perímetro da figura ao lado?
9x
6x
12x
18x
20x
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual a expressão algébrica que representa a seguinte afirmação : "O triplo de um número x adicionado à metade de x".
3x
3x + x/2
10x + 4
x/5 - 3
x + x/2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
15x + 5y + 3z
5x + 1,5y + z
5x + y + 3z
5x + 1,5y + 3z
x + 1,5y + 3z
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
R$ 121,50
R$ 221,50
R$ 121,00
R$ 129,50
R$ 125,50
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual o valor numérico da expressão 10ab + 5a² - 3b, para a = 4 e b = -6?
24
18
-142
-34
-34
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual a forma reduzida da expressão algébrica a + b + ab + 5b + 3ab + 9a - 5c?
a + 6b - 5c + 4ab
10a + b - 5c + 4ab
10a + 6b - 5c + 4
10a + 6b - 5c + 4ab
a + b - c + ab
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