matematica

matematica

9th Grade

7 Qs

quiz-placeholder

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matematica

matematica

Assessment

Quiz

9th Grade

Practice Problem

Hard

Created by

fabiane apolinario

Used 85+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

O salario fixo mensal de um segurança e de  1.500,00 reais para aumentar sua renda ele faz plantoes  noturno  em uma casa noturno  de 1200,00 por anoite de trabalho.se um mês o trabalho de segurança faze...marque alternativa certa .

2.300

117,7

1,382,8

276

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

determine os zeros das funções quadráticos ;f(x) =x2 -9

36

+3,-3

3,9

36,3,3

986

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

resolva em R as equações a seguir . x=5\left|x\right|=\sqrt{5}  

9,2

5,98

8,5

5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

calcule o valor dos seguintes modulo(3-2x),quando x=-3

3-2x4-74271=751

3-2.(-3)[3+6)=+9)=9

5324=,.321;,38=

362.=5321~[333]33]2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

calcule ;[5-x]comx>5

-40+=4

34-42y

-(5-5)=-5y

256.-=3,2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

escreva no caderno como potencia de base 3; 2187

37

39

323

311

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

escreva no caderno na forma de um produto de potencia  5x+y5x+y  

5x.5y

35 

5432x

21

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