Introdução ao Cálculo Algébrico Capitulo 3

Quiz
•
Mathematics
•
7th Grade
•
Hard
Djalma Júnior
Used 49+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A sentença 8 + 3 = 11 é uma sentença matemática
aberta
fechada
tanto faz
não sei
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indique a sentença matemática verdadeira
-5 < -9
(-3)² = -9
-7 + 8 = -1
9 . 5 = 5 . 3²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indique a sentença matemática aberta
4 + 8 = 12
5 + 8 > 10
2x + 8 = 7
5 . 4 > 12
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Um prédio tem nove andares com três janelas em cada andar. Todas as janelas tem vidro fumê com comprimento de medida a e largura de medida b. Escreva a expressão algébrica que representa a área envidraçada do prédio.
12ab
27ab
-12ab
-27ab
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O valor numérico da expressão -x² para x = +8 é
-64
-32
+64
+32
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual o valor da expressão x³ para x = -2
-6
+6
-8
+8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O valor de x² - y² para x = -3 e y = -2 é
+ 1
-1
+ 5
-5
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