Equação do 2° grau

Equação do 2° grau

9th Grade

15 Qs

quiz-placeholder

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Equação do 2° grau

Equação do 2° grau

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

GISLAINE PEDROSO

Used 87+ times

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15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

1) Quais equações abaixo são do 2º grau?

a) 5x²-1=0

b) 6x²-8x=0

d) x-7x-1=0

c) x³-5x²+4=0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2) Determine os valores dos coeficientes a, b e c da equação 2x²-8x+7=0

c) a=7, b=-8 e c=2

b) a=4, b=-16 e c=14

a) a=2, b=-8 e c=7

d) a=2, b=-7 e c=8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3) Determine o valor do coeficiente a da equação x²-5x+6=0

c) a=6

b) a=-5

a) a=1

d) a=0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4) Determine o valor do coeficiente b da equação 3x²-7x-4=0

b) b=3

a) b=-7

c) b=-4

d) b=0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5) Determine o valor do coeficiente c da equação x²-x-6=0

d) c=0

c) c=1

b) c=-1

a) c=-6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6) A equação x²-8=0 é completa ou incompleta?

a) incompleta

b) completa

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

a) incompleta

b) completa

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