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APRENDIZAGEM CONECTADA ATIVIDADES ESCOLARES
2º ANO – ENSINO MÉDIO
ESCOLA ESTADUAL CRISTIANO ARAÚJO PIRES
Rua dos Jambos, 34 – Centro - Distrito Boa Esperança, CEP: 78896-000, Sorriso – MT Fone: (66) 3560-
1628 E-mail: sor.ee.cristianoa.pires@educacao.mt.gov.br
Aulas remotas período de Quarentena
ProfessorElias WonAncken da Silva Disciplina: Matemática
ATIVIDADE 01
MATEMÁTICA
NOME: 2º ANO
CALCULE O ZERO DA FUNÇÃO AFIM:
a) 𝑦 = 2𝑥 + 5
0 = 2𝑥 + 5
2𝑥 = −5
𝑥 = −
5
2
a) 𝑦 = 5𝑥 − 2
0 = 5𝑥 − 2
5𝑥 = 2
𝑥 =
2
5
b) 𝑓(𝑥) = 1 + 𝑥
0 = 1 + 𝑥
𝑥 = −1
c) 𝑓(𝑥) = 3𝑥
0 = 3𝑥
𝑥 =
0
3
𝑥 = 0
d) 𝑓(𝑥) = 1/2𝑥
0 =
1
2𝑥
2𝑥. 0 = 1
𝟎 = 𝟏 não existe solução
e) 𝑓(𝑥) = 4 – 𝑥
0 = 4 − 𝑥
−𝑥 = −4
𝑥 = 4
f) 𝑓(𝑥) = 4𝑥
0 = 4𝑥
𝑥 =
0
4
𝑥 = 0
g) 𝑓(𝑥) = 3𝑥 + 4
0 = 3𝑥 + 4
3𝑥 = −4
𝑥 =
−4
3
h) 𝑓(𝑥) = 2𝑥 + 6
0 = 2𝑥 + 6
2𝑥 = −6
𝑥 =
−6
2
𝑥 = −3
i) 𝑓(𝑥) = 2𝑥 + 1
0 = 2𝑥 + 1
2𝑥 = −1
𝑥 =
−1
2
j) 𝑓(𝑥) = 2𝑥 – 3
0 = 2𝑥 − 3
2𝑥 = 3
𝑥 =
3
2
k) 𝑓(𝑥) = 2𝑥 – 2
l) 𝑓(𝑥) = 8 – 4𝑥 m) 𝑓(𝑥) = 2𝑥 – 4 n) 𝑓(𝑥) = 𝑥 + 1
https://www.youtube.com/watch?v=VH1KlOx9aAk&list=PL-LPJn0YTIEHqEXsUZM7-
3V8iJMdoTzla&index=3 – AULA SOBREFUNÇÃO DO 2º GRAU / ZERO DAFUNÇÃO, DE
COMO RESOLVER OS ITENS DO EXERCÍCIO ABAIXO
CALCULE O ZERO DA FUNÇÃO QUADRÁTICA
1) 𝑓(𝑥) = 𝑥² − 5𝑥 + 6
2) 𝑓(𝑥) = 𝑥² − 8𝑥 + 12
3) 𝑓(𝑥) = 𝑥² + 2𝑥 − 8
4) 𝑓(𝑥) = 2𝑥² − 8𝑥 + 8
6) 𝑓(𝑥) = 𝑥² − 4𝑥 − 5
7) 𝑓(𝑥) = −𝑥² + 𝑥 + 12 = 0
8) 𝑓(𝑥) = −𝑥² + 6𝑥 − 5 = 0

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Atividade aula 01

  • 1. APRENDIZAGEM CONECTADA ATIVIDADES ESCOLARES 2º ANO – ENSINO MÉDIO ESCOLA ESTADUAL CRISTIANO ARAÚJO PIRES Rua dos Jambos, 34 – Centro - Distrito Boa Esperança, CEP: 78896-000, Sorriso – MT Fone: (66) 3560- 1628 E-mail: sor.ee.cristianoa.pires@educacao.mt.gov.br Aulas remotas período de Quarentena ProfessorElias WonAncken da Silva Disciplina: Matemática ATIVIDADE 01 MATEMÁTICA NOME: 2º ANO CALCULE O ZERO DA FUNÇÃO AFIM: a) 𝑦 = 2𝑥 + 5 0 = 2𝑥 + 5 2𝑥 = −5 𝑥 = − 5 2 a) 𝑦 = 5𝑥 − 2 0 = 5𝑥 − 2 5𝑥 = 2 𝑥 = 2 5 b) 𝑓(𝑥) = 1 + 𝑥 0 = 1 + 𝑥 𝑥 = −1 c) 𝑓(𝑥) = 3𝑥 0 = 3𝑥 𝑥 = 0 3 𝑥 = 0 d) 𝑓(𝑥) = 1/2𝑥 0 = 1 2𝑥 2𝑥. 0 = 1 𝟎 = 𝟏 não existe solução e) 𝑓(𝑥) = 4 – 𝑥 0 = 4 − 𝑥 −𝑥 = −4 𝑥 = 4
  • 2. f) 𝑓(𝑥) = 4𝑥 0 = 4𝑥 𝑥 = 0 4 𝑥 = 0 g) 𝑓(𝑥) = 3𝑥 + 4 0 = 3𝑥 + 4 3𝑥 = −4 𝑥 = −4 3 h) 𝑓(𝑥) = 2𝑥 + 6 0 = 2𝑥 + 6 2𝑥 = −6 𝑥 = −6 2 𝑥 = −3 i) 𝑓(𝑥) = 2𝑥 + 1 0 = 2𝑥 + 1 2𝑥 = −1 𝑥 = −1 2 j) 𝑓(𝑥) = 2𝑥 – 3 0 = 2𝑥 − 3 2𝑥 = 3 𝑥 = 3 2 k) 𝑓(𝑥) = 2𝑥 – 2 l) 𝑓(𝑥) = 8 – 4𝑥 m) 𝑓(𝑥) = 2𝑥 – 4 n) 𝑓(𝑥) = 𝑥 + 1 https://www.youtube.com/watch?v=VH1KlOx9aAk&list=PL-LPJn0YTIEHqEXsUZM7- 3V8iJMdoTzla&index=3 – AULA SOBREFUNÇÃO DO 2º GRAU / ZERO DAFUNÇÃO, DE COMO RESOLVER OS ITENS DO EXERCÍCIO ABAIXO CALCULE O ZERO DA FUNÇÃO QUADRÁTICA 1) 𝑓(𝑥) = 𝑥² − 5𝑥 + 6 2) 𝑓(𝑥) = 𝑥² − 8𝑥 + 12 3) 𝑓(𝑥) = 𝑥² + 2𝑥 − 8 4) 𝑓(𝑥) = 2𝑥² − 8𝑥 + 8 6) 𝑓(𝑥) = 𝑥² − 4𝑥 − 5 7) 𝑓(𝑥) = −𝑥² + 𝑥 + 12 = 0
  • 3. 8) 𝑓(𝑥) = −𝑥² + 6𝑥 − 5 = 0