
EQUAÇÃO DO 2⁰ GRAU
Authored by Raylton Ferreira
Mathematics
6th Grade
CCSS covered
Used 48+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolve em IR a equação: x²+8x+7=0
S={-1;-7}
s={1;-7}
S={1;7}
S={-13;5}
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.APR.B.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
01- Qual das equações abaixo é função do primeiro grau?
Tags
CCSS.HSF.LE.A.1
CCSS.HSF.LE.A.2
CCSS.HSA.CED.A.1
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se o discriminante é igual a 4, quantas soluções existem na equação?
Nenhuma
1 solução
2 soluções
Infinitas soluções
Tags
CCSS.HSA.REI.B.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual o valor de b2 ?
+ 8
- 8
- 16
+ 16
Tags
CCSS.HSA.REI.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Qual das seguintes equações é do segundo grau?
2 x + 5 = x
8 − 3x + x² = 0
3x³ - x + 8 =0
0x² + 3x − 7 = 0
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.APR.A.1
6.
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}
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.APR.B.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
09- Dada a equação 2x+3=0. Essa equação é:
Equação do 1° grau
Equação do 2° grau
Equação do 3° grau
Tags
CCSS.HSA.REI.B.3
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