Квадратные уравнения

Квадратные уравнения

8th Grade

23 Qs

quiz-placeholder

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Квадратные уравнения

Квадратные уравнения

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
HSA-REI.B.4B, 8.EE.A.2

Standards-aligned

Created by

Аnastasiya Morozova

Used 9+ times

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23 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Какие уравнения являются квадратными

2 - 5х + 5 = 0

х2 - 5х3 + 5 = 7х

25 = х2

2 + 4х - 2 = 5х + 7х2

6х - 4х2 = 0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

В уравнении 2х2 - х + 1 = 0 назовите второй коэффициент

1

х

2

-1

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Среди уравнений укажите неполные квадратные

5х - 3 = х2

х2 + 100 = 0

2х - 7 = 0

2 + 5х = 0

х2 = 25

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Решите уравнение х2 - 16х = 0

16

0

16 или 0

4 или - 4

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Решите уравнение х2 - 36 = 0

36

6 или -6

6

-6

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какое  уравнение является полным квадратным уравнением?

ах2 + bх + с = 0
ах + b = 0
bx +c = 0
bx = 0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Дискриминант квадратного уравнения можно вычислить по формуле...

D = -b2-4ac
D = b2-4ac
D = b2+ 4ac

Tags

CCSS.HSA-REI.B.4B

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