KVADRATNA FUNKCIJA IN ENAČBA
Quiz
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Hard
Petra Tisnikar
Used 508+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako je obrnjena parabola z enačbo y = 2 + 3x - 4x2 ?
navzgor
navzdol
ne moremo določit
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Na kaj vpliva vodilni koeficient kvadratne funkcije? Možnih več odgovorov.
pozitivnost / negativnost grafa
kako je graf obrnjen
kje graf seka ordinanto os
kje graf seka abscisno os
na strmino grafa
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Če ima parabola teme v točki T (2, 3), potem je enačba njene simetrijske osi
y = 3
x = 2
nedoločljiva
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kvadratna fiunkcija ima eno ničlo v x1= -3 in teme v točki T (1, -4). Kolikšna je vrednost druge ničle x2 ?
x2 = 2
x2 = -1
x2 = 5
nemogoče je določiti
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kakšna je diskriminanta (D) kvadratne funkcije na sliki?
D = 0
D < 0
D > 0
nemogoče je določiti
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na kaj vpliva diskriminanta (D) kvadratne funkcije?
kje seka y os
kje seka x os
kako je graf obrnjen
koliko ničel ima
pozitivnost / negativnost grafa
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Za katere vrednosti spremenljivke x je kvadratna funkcija pozitivna?
x ∈ (-3, -1)
x ∈ (-1, ∞)
x ∈ (-∞, -3)
x ∈ (0, 1)
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