Równania i nierówności kwadratowe
Quiz
•
Mathematics
•
10th - 11th Grade
•
Practice Problem
•
Hard
Grażyna Czech
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rozwiązanie równania x2 − 9 = 0 to:
x = 3
x = -3 lub x = 3
x = 0 lub x = 3
x = 9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ile rozwiązań ma równanie: x²+3x+2=0
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rozwiązaniem równania 2x2 + 8x = 0 są:
x = −2 lub x = 2
x = −4 lub x = 4
x = −2 lub x = 0
x = −4 lub x = 0
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rozwiązaniem równania x2-5x +6 = 0 są liczby
-2 i -3
2 i 3
-2 i -3
równanie nie ma rozwiązania
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Podaj rozwiązanie nierówności: x²+9>0
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rozwiązaniem nierówności
x2 - 2x - 3 < 0 jest:
x < -1 lub x > 3
x = (-1; 3)
brak rozwiązań
x =3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zbiorem rozwiązań nierówności
x2 - 4x + 4 > 0 jest:
x = 2
brak rozwiązań
x = R
x = R \ { 2}
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