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Løsning af andengradsligninger

Authored by astrid helin

Mathematics

12th Grade

Used 2+ times

Løsning af andengradsligninger
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9 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find løsningerne til x2 +3x+2 =0

x1=1 og x2 = 2

x1 = -1 og x2 = -2

x1 = 1 og x2 = -2

x = 2 og x = -1

Answer explanation

Media Image

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

x = 1 eller x = -2

x = 1 eller x = 2

x = -1 eller x = -2

Answer explanation

Media Image

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

x = 1 eller x = 2

x = 0 eller x = -1,5

x = -1 eller x = 2,5

Answer explanation

Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvordan kan man se, at en ligning er en andengradsligning ?

Når x ganges med 2 i ligningen.

Når ligningen indeholder x2 ganget med et tal.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvad må a ikke være i en andengradsligning ?

1

-1

0

2

Answer explanation

Hvis a = 0, så er det ikke en andengradsligning.

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Hvad kaldes d ?

determinanten

diskriminanten

determinismen

diskriminationen

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvor mange løsninger har en andengradsligning, når d er negativ ?

2

1

0

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