Função Afim - Conceitos básicos

Função Afim - Conceitos básicos

10th Grade

14 Qs

quiz-placeholder

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Função Afim - Conceitos básicos

Função Afim - Conceitos básicos

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Medium

Created by

Thiago Brito

Used 74+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4

2

3

5

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

5

Answer explanation

Para determinar a solução (ou zero da função ou raiz), devemos fazer f(x) = 0 ou y = 0. Então:

0 = 5x + 2

-2 = 5x

x = -2/5

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

O coeficiente angular da reta é

o valor do arco tangente do ângulo formado com o eixo y.

o valor do cosseno do ângulo formado com o eixo x.

o valor da tangente do ângulo formado com o eixo x.

o valor do seno do ângulo formado com o eixo y.

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A inclinação da reta que passa pelos pontos (2, 5) e (4, 9) é igual a

4

3

2

6

Answer explanation

Media Image

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A equação da reta que passa pelo ponto (3, 7) e tem inclinação 2 é melhor representada por

y = 3x + 7

y = 2x + 3

y = 2x + 1

y = 2x - 1

Answer explanation

Media Image

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A inclinação da reta que passa pelos pontos (1, 4) e (5, 10) é igual a

2.5

3.5

4.5

1.5

Answer explanation

Media Image

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