
Funkcje - powtórzenie wiadomości
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Easy
Karolina H
Used 1+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Funkcja kwadratowa określona jest wzorem f(x)=x2+x+c. Jeśli f(3)=4, to:
f(1)=18
f(1)=6
f(1)=0
f(1)=-6
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Liczby x1, x2 są różnymi rozwiązaniami równania 2x2+3x−7=0. Suma x1+x2 jest równa:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rysunek przedstawia wykres pewnej funkcji y =f(x), określonej dla x ∈ ⟨−4,4⟩. Zbiór wszystkich argumentów, dla których funkcja f przyjmuje wartości niedodatnie, to zbiór:
〈0,3) ∪ (3,4〉
〈-4,-3〉 ∪ 〈0,4〉
(-4,-3) ∪ (0,3) ∪ (3,4)
(-2,1) ∪ (3,4)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Funkcja y=f(x) ma dwa miejsca zerowe: -3 oraz 1. Miejscami zerowymi funkcji y=f(x+1) są liczby:
-2 oraz 2
-4 oraz 0
-2 oraz 0
-4 oraz 2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Funkcja liniowa f określona wzorem f(x)=2x+b ma takie samo miejsce zerowe, jakie ma funkcja g(x)=−3x+4. Stąd wynika, że
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gdy przesuniemy wykres funkcji f(x)=2x−3 o 2 jednostki w prawo i 4 jednostki w górę, to otrzymamy wykres funkcji opisanej wzorem
y=2(x−2)+4
y=2(x−2)−4
y=2(x−2)+1
y=2(x+2)+4
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