
Cálculo de Expressões Algébricas
Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Medium
Standards-aligned

Ethan Morris
Used 1+ times
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o primeiro passo ao calcular o valor numérico de uma expressão algébrica?
Substituir as incógnitas pelos valores dados
Dividir o numerador pelo denominador
Multiplicar todos os coeficientes
Adicionar todos os termos
Tags
CCSS.6.EE.A.2C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ao substituir X por 2 na expressão 3x² - 5x + 1, qual é o valor de 3x²?
6
12
8
10
Tags
CCSS.6.EE.A.2C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado final da expressão 3x² - 5x + 1 quando X = 2?
1
4
3
2
Tags
CCSS.6.EE.A.2C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de -2² na expressão do segundo exemplo?
2
-4
4
-2
Tags
CCSS.6.EE.A.2C
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado final da expressão (X - 7X) / 3X quando X = -2?
3
-3
0
-1
Tags
CCSS.6.EE.A.2C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No terceiro exemplo, qual é o valor de 5x quando X = 4?
10
20
15
25
Tags
CCSS.6.EE.A.2C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado final da expressão 5x + 4y - xy quando X = 4 e Y = 3?
20
25
15
10
Tags
CCSS.8.EE.A.2
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