
Ciąg geometryczny
Authored by Magdalena Patyra
Mathematics
10th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
a5 = 5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2
3
6
-3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Wyznacz x, jeśli liczby 2, x, 200 są kolejnymi wyrazami ciągu geometrycznego
x = 20
x = 20 lub x = -20
x = 10
x = 101
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
an = 5 *3n jest ciągiem geometrycznym. Wynika z tego, że
a1 = 15, q=5
a2 = 45, q = 3
a1 = 5, a3 = 135
a2 = 45, a4 < 100
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Wyznacz piąty wyraz ciągu geometrycznego 2, 6, 18
16
162
18
54
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
W niemonotonicznym ciągu geometrycznym a4 = 2, a8 =32. Zatem
a1 = 1
a1 = - 1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Trzecim wyrazem ciągu geometrycznego jest
liczba 3, a szóstym -24. Suma czterech początkowych wyrazów tego ciągu wynosi:
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