FUNÇÃO DO 1 E 2 GRAU

FUNÇÃO DO 1 E 2 GRAU

12th Grade

10 Qs

quiz-placeholder

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FUNÇÃO DO 1 E 2 GRAU

FUNÇÃO DO 1 E 2 GRAU

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Leiliane Lima

Used 8+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Dada a função f(x) = 4x + 5, determine x tal que f(x) = 7.

1/3

1/2

1/4

1/6

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Tipo Considere a função f: IR ® IR definida por f(x) = 5x – 3.Qual o tipo de Função :

Reta Decrescente

Negativa

Reta Crescente

Parábola

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Qual o sentido da parábola da seguinte função y= -x2 + 8x – 17 :

Parábola voltada para cima.

Reta crescente.

Reta decrescente.

Parábola voltada para baixo.

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

f(x)=x+35

f(x)=2x+35

f(x)=2x+70

f(x)=x+45

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A parábola de equação  y= 2x 2-3x +1 corta o eixo das abscissas

nos pontos:

(0, 0) e (3, 0)

(0, 1) e (0, 2).

(2, 0) e (1, 0)

d) (1, 0) e (1/2,0)

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

a=0

Delta maior que zero

Delta menor que zero

Delta igual a zero

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Determine f(20) para a f(x)=16x-300

60

40

120

20

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