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PL 9 _01

Authored by Gilmar Gonçalves da Silva

Other

9th Grade

Used 10+ times

PL 9 _01
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual equação é considerada do 2° grau?


4x²+3x³+x+6=3x³


2x²+3x-8=2x²


-3x + x² = x²


x+4 = 3x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Para a equação ser do 2°grau é necessário:

Ter o coeficiente a=2

Ter o maior grau de x = 2

O resultado ser 2

Ter 2 termos

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quais os coeficientes da equação: x + 3x² = 5


a = 1, b = 3, c= 5

a = 3 , b = 1 , c = 5

a = 1, b = 3, c = - 5

a = 3, b = 1, c = -5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identifique uma equação do 2°grau incompleta.

0x² + 3 = 0


2x² + x = 9


x² - 8x = 0

x² - x = 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determine os coeficientes (a,b e c) da equação X2 + X+ 2= 0


A = 0 B= 1 C= 2


A = 1 B= 0 C= 2


A = 1 B= 1 C= 2


A = 1 B= 1 C= 0

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