kvadrātvienādojums

kvadrātvienādojums

8th Grade

13 Qs

quiz-placeholder

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kvadrātvienādojums

kvadrātvienādojums

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Volha Isakina

Used 6+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Nosaki kvadrātvienādojuma 9x - 7 - 2x2 = 0 koeficientu a!

9

-7

-2

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Nosaki kvadrātvienādojuma x2 - 3 = 0 koeficientu b!

1

-3

0

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Nosaki kvadrātvienādojuma koeficientus x2-x+5=0

a=1, b=1, c=0

a=0, b=1, c=5

a=1, b=-1, c=5

a=0, b=0, c=5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atzīmē, kurš no dotajiem kvadrātvienādojumiem atbilst , ja koeficienti ir a=3, b=0, c=1

x2+1=0

3x2+1=0

x2+3x+1=0

x2+3=0

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Aprēķini vienādojuma -2x2+5x+3=0 diskriminantu

D=49

D=7

D=1

D=-1

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Ja diskriminanta vērtība ir 0, tad dotajam vienādojumam

nav sakņu

ir divas vienādas saknes

ir divas dažādas saknes

ir divas saknes, kuru vērtības ir pretējas

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x2-9=0

3

-3

x=3 un x=-3

nav iespējams atrisināt

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