
9º Ano Equação do segundo grau incompleta
Authored by Rodolfo Cavalcante
Mathematics
9th Grade
CCSS covered
Used 86+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a solução da equação x² - 5x = 0?
S = {0}
S = {0,5}
S = {-5,0}
S = {5}
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a solução da equação 2x² -18 = 0 ?
S = {- 3 , 3}
S = {- 9 , 9}
S = {3}
S = {9}
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas equações incompletas há?
1- x² + 6x = 0
2- 4x² + 7x = -2
3- 19x² = 0
4- 3x² - 7x - 6 = 0
5- 3 + 5x² = 0
1
2
3
4
Tags
CCSS.HSA.REI.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o valor do discriminante ( ) da equação x² - 4x + 8 = 0 ?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a solução da equação do segundo grau incompleta: 5x² - 720 = 0
S = {- 12 , 12}
S = {144}
S = {- 144}
S = {- 144 , 144}
S = {12}
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