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Kvadrātvienādojums.

Authored by Dace Klapare

Mathematics

8th Grade

Used 12+ times

Kvadrātvienādojums.
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atver iekavas x(3x - 5) =

3x - 5

3x - 5x

3 x2x^2 - 5

3 x2x^2 - 5x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

9

-7

-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aprēķini kvadrātvienādojuma y2 + 4y - 5 = 0 diskriminantu!

16

25

36

-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nosaki kvadrātvienādojuma x2 - 3 = 0 koeficientu b!

1

-3

0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aprēķini kvadrātvienādojuma x2 - x - 2 = 0 saknes!

x1 = 1 un x2 = 2

x1 = -2 un x2 = 1

x1 = -1 un x2 = 2

x1 = -1 un x2 = -2

6.

MULTIPLE CHOICE QUESTION

1 min • 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

7.

MULTIPLE CHOICE QUESTION

1 min • 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

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