Quizão do nandão 1EM

Quizão do nandão 1EM

10th - 12th Grade

10 Qs

quiz-placeholder

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Quizão do nandão 1EM

Quizão do nandão 1EM

Assessment

Quiz

Mathematics

10th - 12th Grade

Practice Problem

Hard

Created by

Fernando Araujo

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é o valor de x na equação: 3x - 4 = 2x + 3

x = 5

x = 3

x = 7

x = 1

x = 9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Na equaça~o: x2+x5  = 710, qual eˊ o conjunto verdade?Na\ equação:\ \frac{x}{2}+\frac{x}{5\ }\ =\ \frac{7}{10},\ qual\ é\ o\ conjunto\ verdade?  

v = {-1}

v = { 0 }

v = { 1 } 

v = { 2 }

v = {    }

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é a solução de 10x2 = 1000 ?10x^2\ =\ 1000\ ?  

v = { 10 }

v = { -10, + 10 }

v = { -10 }

v = { 10³}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é a solução de x² - 10x + 25 = 0?

V = { 10 }

v = { - 5 }

v = { -5, + 5}

v = { 5 }

v = { 0 }

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As medidas da hipotenusa e de um dos catetos de um triângulo retângulo são dadas pelas raízes da equação x² - 9x + 20 = 0. A área desse triângulo é:

10

6

12

15

20

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Eu pensei em um número positivo, adicionei um, multipliquei minha resposta por ela mesma, tirei duas vezes o número que eu pensei e o resultado foi 26. Qual número eu pensei ?

1

2

3

4

5

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (Fuvest) Se x ( 1  x ) = 14, enta~o:\left(Fuvest\right)\ Se\ x\ \left(\ 1\ -\ x\ \right)\ =\ \frac{1}{4},\ então:  

 x = 18x\ =\ \frac{1}{8}  

 x = 0x\ =\ 0  

 x = 14x\ =\ \frac{1}{4}  

 x = 1x\ =\ 1  

 x = 12x\ =\ \frac{1}{2}  

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