Revisão ADR 9o ano 2o bim parte 1

Revisão ADR 9o ano 2o bim parte 1

9th Grade

14 Qs

quiz-placeholder

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Revisão ADR 9o ano 2o bim parte 1

Revisão ADR 9o ano 2o bim parte 1

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

Tárcio Triani

Used 2+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As raízes da equação 3x(x - 2) = 0 são:

{3, 2}

{0, 2}

{3, -2}

{0, -2}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

9x(9 - x)

(9 - x)(9 - x)

(9 + x)(9 + x)

(9 + x)(9 - x)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual equação abaixo é uma equação de 2º grau?

x + 9 = 0

2x - 6 = 0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Uma equação de 2º grau em que o discriminante Δ = 0 possui:

Duas raízes reais e diferentes

Duas raízes reais e iguais

Uma raiz real positiva e uma negativa

Nenhuma raiz real

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

S = {2, -8}

S = {0, 4}

S = {0, -4}

S = {0, 8}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

8 e 7

-8 e 7

2 e 4

1 e 7

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