Je li graf kvadratne funkcije f(x) = x² - 4x + 3 parabola koja se otvara prema gore?

Kvadratna funkcija - kviz

Quiz
•
Mathematics
•
12th Grade
•
Easy
Marina Ninkovic
Used 6+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Da
Ne
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ima li svaka kvadratna funkcija ima točno dva realna korijena?
Da
Ne
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je diskriminanta kvadratne funkcije negativna, dodiruje li graf funkcije x-os?
Da
Ne
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Koja je os simetrije grafa funkcije f(x) = 2x² - 8x + 5?
x = -2
x = 2
x = 4
x = -4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tjeme funkcije g(x) = -x² + 6x - 5 je:
(3, 4)
(-3, -4)
(4, 3)
(6, -5)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako je kvadratna funkcija napisana kao f(x) = a(x - h)² + k, što predstavlja h?
sjecište s y-osi
x-koordinatu tjemena
y-koordinatu tjemena
sjecište s x-osi
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja od sljedećih funkcija ima graf koji se otvara prema dolje?
f(x) = x² + 4x + 4
g(x) = -x² + 5x - 3
h(x) = x² - 6x + 9
k(x) = 2x² - 3x + 1
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