
Equação de 2° grau (incompleta)
Authored by ANDREIA FERNANDES
Mathematics
8th Grade
Used 27+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1) Qual é o conjunto solução da equação: 2x² = 32?
S = {+4, -4}
S = {+8, -8}
S = {+16, -16}
S = {+32, -32}
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Assinale a equação correspondente à seguinte situação: "O quadrado de um número mais 35 é igual a 36":
2x + 35 = 36
x² + 35 = 36
x² - 35 = 36
2x - 35 = 36
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual o conjunto solução da equação da questão anterior: x² + 35 = 36?
S = {+35, -35}
S = {+36, -36}
S = {+111, -111}
S = {+1, -1}
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual o conjunto solução da seguinte situação: "O quadrado de um número, mais 35 é igual a 84"?
S = {+7, -7}
S = {+49, -49}
S = {+119, -119}
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual o conjunto solução da equação: 3x² = 75?
S = {+25, -25}
S = {+5, -5}
S = {+100, -100}
S = {+10, -10}
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A área de um quadrado mede 64 cm². Qual a medida do lado desse quadrado?
6 cm
7 cm
8 cm
9 cm
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o valor de cada lado de um quadrado que tem 144 cm² de área?
11 cm
12 cm
13 cm
14 cm
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