Pensamento algébrico
Quiz
•
Mathematics
•
7th Grade
•
Hard

ALESSANDRA DE ASSUMPCAO VIEGAS MACHADO
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Represente algebricamente a frase:
O DOBRO DE UM NÚMERO MAIS QUATRO.
2 x 3 + 4
2x + 4
X + 2 = 4
X2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Represente algebricamente:
A diferença entre dois números.
a - b
15 + x
xy
B - 14
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A parte literal do termo -2xy é
-2x
2
-xy
xy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O coeficiente numérico do termo -a2 é?
Não existe
-1
2
a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reduza os termos semelhantes:
2x + 4y - 7x + y
0
5x + y
5y - 5x
4y - 5x
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
X - 4 é uma?
Equação
Sentença matemática
Expressão numérica
Uma incógnita
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-3x e x3 são termos semelhantes?
Falso
Verdadeiro
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