DELTA

Quiz
•
Mathematics
•
University
•
Hard

Monika Szczepkowska
Used 33+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rozwiąż równanie kwadratowe 2x2+7x+3= 0. (2 slajdy)
Delta wynosi:
49
25
24
39
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rozwiąż równanie kwadratowe 2x2+7x+3= 0
Rozwiązania tego równania to są liczby
6 i 1
-3 i -0,5
3 i 0,5
-3 i 0,5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rozwiąż nierówność x2+6x+5>0. (3 slajdy)
Delta wynosi:
16
1
36
9
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rozwiąż nierówność x2+6x+5>0.
x1 i x2 to liczby:
5 i 1
-5 i 1
-5 i -1
5 i -1
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rozwiąż nierówność x2+6x+5>0.
Rozwiązanie to:
(-5;-1)
(1;5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wykresem funkcji kwadratowej jest
łamana
prosta
hiperbola
parabola
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Funkcja y=-2x2+3x-4 ma ramiona skierowane do:
góry
do dołu
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Oblicz wartość funkcji dla x=2
f(x)=3x2-4x+2
4
6
-2
3
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