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Authored by WADIS LIMA

Mathematics

2nd - 10th Grade

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12 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Resolva a equação 4y - 7 = 5.

y = 6

y = 3

y = 2

y = -4

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Resolva a equação 3x + 5 = 20.

x = 10

x = 15

x = 25

x = 5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6.Se f (x) = 2x - 1, então:

a) f(0) = 0

b) f(0) = 1

c) f(0) = 2

d) f(0) = -1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual dessas funções, é uma função crescente?

y = 2

y = -2x + 5

y = -x - 1

y = 4x - 10

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1. Dada a função de primeiro grau f(x) = 2x + 3, qual é o valor de f(10)?

A) 10

B) 13

C) 23

D) 30

E) 35

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Assinale a única função que NÃO é afim:

 f(x)=3x+20f\left(x\right)=3x+20 

 f(x)=2x2f\left(x\right)=2x^2 

 f(x)=3+4xf\left(x\right)=3+4x 

 f(x)=8xf\left(x\right)=8x 

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Toda função afim é do tipo:

y = bx + a

y= b + x + a

y = ax² + b

y = ax + b

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