Los op x2 = 3x + 1.
Geef de oplossing
in twee decimalen
nauwkeurig.
Kan ik de ABC-formule?
Quiz
•
Mathematics
•
12th Grade
•
Hard
Joël Dam
Used 7+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Los op x2 = 3x + 1.
Geef de oplossing
in twee decimalen
nauwkeurig.
te moeilijk voor mij
x = -0,30 of x = 3,30
x = -3,30 of x = 0,30
x = -0,3 of x = 3,3
x = -3,3 of x = 0,3
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Los op 2x2 + 5x - 3 = 0.
te moeilijk voor mij
x = -3 of x = 0,5
x = 3 of x = -0,5
x = -13,5 of x = 11
x = 13,5 of x = -11
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Hoeveel oplossingen heeft de volgende vergelijking?
2x2 -3x - 1 = 0
Gebruik de discriminant:
D = b2 - 4ac
Te moeilijk voor mij
D > 0 dus: twee oplossingen
D = 0 dus: één oplossing
D < 0 dus: geen oplossingen.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Los op x2 - 5x = 2x + 18.
te moeilijk voor mij
x = 0 of x = -2
x = 0 of x = 2
x = 9 of x = -2
x = -9 of x = -2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Hoeveel oplossingen heeft de volgende vergelijking?
7x2 -20x + 21 = 0
Gebruik de discriminant:
D = b2 - 4ac
Te moeilijk voor mij
D > 0 dus: twee oplossingen
D = 0 dus: één oplossing
D < 0 dus: geen oplossingen.
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