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Função Afim

Authored by Isabel Dias

Mathematics

8th Grade

Used 1+ times

Função Afim
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15 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 10 pts

Selecione todas as expressões algébricas de uma função afim:

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

-5

-2

2

3

Answer explanation

O declive de uma reta é o coeficiente de x. Portanto, o declive da reta y=3x-5 é 3.

3.

DRAW QUESTION

3 mins • 10 pts

Media Image

4.

FILL IN THE BLANKS QUESTION

30 sec • 10 pts

Answer explanation

O valor correspondente à ordenada na origem é b na expressão algébrica 'kx+b'. Portanto, a resposta é 3.

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

6

8

10

12

Answer explanation

Substituindo x=3 na função f(x)=2x+4, obtemos f(3)=2x3+4=6+4=10. Assim, o valor é 10.

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

7

8

9

10

Answer explanation

Substituindo x=2 na equação y=5x-3, obtemos y=5x2-3=10-3=7. Portanto, o valor de y quando x=2 é 7.

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

0

2

4

6

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