Funções - 8º ano

Funções - 8º ano

8th Grade

27 Qs

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Funções - 8º ano

Funções - 8º ano

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Manu She

Used 34+ times

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27 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual das seguintes expressões corresponde a uma função linear?

f(x)=3f\left(x\right)=-3

g(x)=3x+5g\left(x\right)=3x+5

h(x)=15xh\left(x\right)=-\frac{1}{5}x

i(x)=4xi\left(x\right)=4-x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Quais dos gráficos representam funções de proporcionalidade direta?

j e g

h e g

h e f

g e f

3.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

O declive da reta de equação  y=5xy=5x  é:

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qual o sinal do declive da reta desenhada no referencial ?

nulo

negativo

positivo

impossível de saber

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Duas retas paralelas têm....

A mesma ordenada na origem

O mesmo declive

Os mesmos pontos

Declives simétricos

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Assinala todas as funções que são afins constantes:

f(x)=5f\left(x\right)=5

g(x)=8g\left(x\right)=-8

m(x)=20xm\left(x\right)=20x

n(x)=4x+6n\left(x\right)=4x+6

o(x)=5xo\left(x\right)=5-x

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual destas funções é constante?

Media Image
Media Image
Media Image
Media Image

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