
Equação do 2º Grau
Authored by Wellington Vieira
Mathematics
9th Grade
CCSS covered
Used 70+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são os coeficientes numéricos da equação ?
a = 3 ; b = 5 ; c = -4
a = -4 ; b = 3 ; c = 5
c = 5 ; b = 3; a = -4
b= -4; c = 5; a = 3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma equação do segundo grau é da forma?
2 x + 5 = x
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual a solução da equação x² - 5x = 0?
S = {0}
S = {0,5}
S = {-5,0}
S = {5}
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual a solução da equação 2x² -18 = 0 ?
S = {- 3 , 3}
S = {- 9 , 9}
S = {3}
S = {9}
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual o valor do discriminante ( ) da equação x² - 4x + 8 = 0 ?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os valores dos coeficientes a, b e c são respectivamente:
1;-3;2
0;3;2
1;3;2
-1;-3;-2
Tags
CCSS.HSA.REI.B.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quais os coeficientes da equação: x + 3x² = 5
a = 1, b = 3, c= 5
a = 1, b = 3, c = - 5
a = 3 , b = 1 , c = 5
a = 3, b = 1, c = -5
Tags
CCSS.HSA.REI.B.4
CCSS.HSA.CED.A.1
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