Quiz Equações 2º grau

Quiz Equações 2º grau

8th Grade

14 Qs

quiz-placeholder

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Quiz Equações 2º grau

Quiz Equações 2º grau

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Teresa Martins

Used 7+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Quais da equações abaixo são do 2º grau?

5x-1=0

6x2-8x=0

x3-5x2+4=0

x-7x-1=0

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

A equação 2 x2 - 1 = 0 é completa ou incompleta?

completa

incompleta

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

A equação 3x2-x-1=0 é completa ou incompleta?

completa

incompleta

4.

MULTIPLE CHOICE QUESTION

3 mins • 7 pts

Marque a forma completa ax2+bx+c=0 da equação x(2x-3)=4x-1

2x2-7x+1=0

2x2+7x+1=0

4x2-2x-1=0

2x2-7x-3=0

5.

MULTIPLE CHOICE QUESTION

3 mins • 7 pts

Quais são as raízes da equação x2-7x =0?

S={-7,-7}

S={-7,7}

S={0,14}

S= {0,7}

6.

MULTIPLE CHOICE QUESTION

3 mins • 7 pts

Qual a solução da equação 2x² -18 = 0 ?

S = {- 3 , 3}

S = {- 9 , 9}

S = {3}

S = {9}

7.

MULTIPLE CHOICE QUESTION

3 mins • 7 pts

Quais as soluções da equação 2x2  +3x= 02x^2\ \ +3x=\ 0  ?

 22   e  3-3  

 00  e  32\frac{3}{2}  

 00  e  33  

 00  e  32-\frac{3}{2}  

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