Проверка 7-8 класс (алгебра)

Проверка 7-8 класс (алгебра)

9th Grade

12 Qs

quiz-placeholder

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Проверка 7-8 класс (алгебра)

Проверка 7-8 класс (алгебра)

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Фериде Гаджиева

Used 23+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Вычислите: 81-3:3-10

9

-3

-9

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Выберите верное равенство:

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Укажите выражение, которое тождественно равно выражению 3a-3b

-3(a-b)

-3(a+b)

-3(-a-b)

-3(-a+b)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Корнем какого уравнения является число 0,5?

2х-3=0

2х+1=0

2х+3=0

2х-1=0

4х-2=2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

0

-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Какое из данных уравнений не имеет корней?

5х-х2=0

10х2=0

х2-1=0

х2

0,5х2+1=0

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Укажите уравнение, которое имеет 2 корня

2-4х+1=0

х2+х+2=0

х2-2х+1=0

х2+х+1=0

х2-х-2=0

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