Find løsningerne til x2 +3x+2 =0

Løsning af andengradsligninger

Quiz
•
Mathematics
•
12th Grade
•
Medium
astrid helin
Used 1+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x1=1 og x2 = 2
x1 = -1 og x2 = -2
x1 = 1 og x2 = -2
x = 2 og x = -1
Answer explanation
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
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
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
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvor mange løsninger har en andengradsligning, når d = 0 ?
2
1
0
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvor mange løsninger har en andengradsligning, hvis d er positiv ?
0
1
2
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