Квадратные уравнения

Квадратные уравнения

8th Grade

10 Qs

quiz-placeholder

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Квадратные уравнения

Квадратные уравнения

Assessment

Quiz

Mathematics

8th Grade

Medium

CCSS
HSA-REI.B.4B

Standards-aligned

Created by

Гульназ Тлеугобылова

Used 255+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Какое  уравнение является полным квадратным уравнением?
ах2 + bх + с = 0
ах + b = 0
bx +c = 0
bx = 0

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Дискриминант квадратного уравнения можно вычислить по формуле...
D = -b2-4ac
D = b2-4ac
D = b2+ 4ac

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Корни приведенного квадратного уравнения по теореме Виета равны
х12=-р;     х1·х2=g
х12=р;       х1·х2= -g

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2-18=0

4,5

3

-3 и 3

9

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2x2-4х=0

0 и 2

-2

4 и 2

0,5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2+27=0

9 и -9

9

14

Нет корней

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

х2+2х-48=0

-6 и 8

-8 и 6

24

8 и 6

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