Метод интервалов

Метод интервалов

9th Grade

10 Qs

quiz-placeholder

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Метод интервалов

Метод интервалов

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Элена Мм

Used 26+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Имеем:

x2 − 2x − 15 > 0

Указать наибольшее отрицательное решение

-2

-3

-5

-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2х^2 − 5x + 2 > 0.

Х>2

Х<1\2

Х<1\2 и х>2

1/2<х<2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решить неравенство:

2х^2−7x−4≤0

(0.5; --4)

Х<4, х>0,5

Х<-0,5; х<4

[--0,5; 4]

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найти область определения функции:

 3x5\sqrt{3x-5}  

Х<0

Х>0,6

Х>5/3

[5\3 ; ¤¤》

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Х^2 + 6x + 9 <0

-3

Нет решений

3

Любое число

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3x + 2/11-7х>0

x<122x<\frac{1}{22}

11/7 ;-1/3

(-¤¤;-2/3)(11/7;+¤¤》

Нет решений

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4 − 3x − x^2>0

(-1;4)

(-4:1)

(-¤¤;1)(-4;+¤¤)

Х>4

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