Expressões Algébricas - 7 ano
Quiz
•
Mathematics
•
7th Grade
•
Hard
MARICLEUSA GOMES
Used 111+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Observe a expressão algébrica indicada abaixo e calcule valor numérico da expressão quando x for 23 é:
12 + x
35
36
37
38
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Qual é expressão que indica o perímetro da figura ao lado.
5a + 15.
20a
6a + 15.
4a+18
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Se a = 1, então as medidas desse triângulo são? 6, 3 e 10.
6, 3 e 10.
6,4 e 15
6, 3 e 12
6, 5 e 14
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Uma figura é chamada de regular se todos os seus lados possuírem o mesmo tamanho, ou seja, a mesma medida. Um pentágono regular tem lados medindo x.
Qual a expressão representa o perímetro dessa figura?
6 + x
5 + x
6x
5x
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Sabendo que a expressão algébrica do perímetro do pentagono regular de lado x é 5.x, qual o valor do perímetro se x = 3²?
45
15
30
14
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Determine a expressão algébrica que descreve o perímetro(soma de todos os lados) da figura abaixo, sabendo que o valor do perímetro é 20:
5x-5 = 10
10x +10 = 20
5x - 5 = 20
10x-10=20
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A balança a seguir está em equilíbrio. Descubra o valor de x:
12
15
18
14
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