
Módulo 79, 80 e 81 (Apostila 5)
Authored by KATIA PELEGRINI
Mathematics
9th Grade
9 Questions
Used 2+ times

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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2 - Resolva a equação literal dada na incógnita x.
b) –16x2+ 49p2= 0
x = +- (7p/4)
x = +- (p/4)
x = +- (5p/4)
x = +- (13p/4)
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
3) Resolva a equação literal dada na incógnita y, determinando seu conjunto solução.
b) 7ay2= 28y
S = {0; 1/a}
S = {0; 2/a}
S = {0; 3/a}
S = {0; 4/a}
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
4) Resolva a equação literal dada na incógnita x, determinando seu conjunto solução.
S = {-5pq; 6pq}
S = {-5pq; 2pq}
S = {-2pq; 3pq}
S = {-pq; 6pq}
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
5) Considere a seguinte equação literal dada na incógnita x:
4ax2– 6x = 0
Seu conjunto solução é dado por:
S= {o ; 3a/2}
S= {o ; 3/2a}
S= {3a/2}
S= {o ; a/2}
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Resolva a equação literal na incógnita x indicando seu conjunto solução em função dos parâmetros reais p e m não negativos.
a) 3x2– 16px + 5p2= 0
S = {5p ; p/3}
S = {p ; 5p/3}
S = {5p ; 2p/7}
S = {3p ; p/3}
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Resolva a equação literal na incógnita x indicando seu conjunto solução em função dos parâmetros reais p e m não negativos.
b) 4x2– 3mx – m2= 0
S = {m; 2m/3}
S = {m; -m/5}
S = {m; m/3}
S = {m; -m/4}
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Sem calcular as raízes em cada equação dada a seguir, determine a sua soma e o seu produto.
b) x2+ 10x + 21 = 0
Soma = 36
Produto = 13
Soma = -10
Produto = 21
Soma = 3
Produto = 13
Soma = -13
Produto = 36
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