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RÓWNANIA KWADRATOWE

Authored by Hanna Krzyśków

Mathematics

1st - 3rd Grade

Used 56+ times

RÓWNANIA KWADRATOWE
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rozwiązanie równania x2 − 9 = 0 to:

x = 3

x = -3 lub x = 3

x = 0 lub x = 3

x = 9

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rozwiązanie równania x2 + 2x = 0 to:

x = 0 lub x = 2

x = 0 lub x = −2

x = 2

x = −2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

w równaniu 2x2-5x+6=0

a=2, b=5, c=6

a=2, b=-5, c=6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

W równaniu -x2-2x+3=0

a=-x2, b=2x, c=3

a=-1, b=2, c=3

a=-x2, b=-2x, c=3

a=-1, b=-2, c=3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

dla równania x2-5x-6=0 Δ=

-49

49

1

6

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

dla równania x2-5x-6=0 x1 i x2 wynoszą odpowiednio

x1= 2 x2= 3

x1=-2 x2=-3

x1=-6 x2=1

x1 i x2 nie istnieją

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jeżeli a=1, b=-5 i c=-6 to Δ=

1

54

49

-49

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