
Funkcja wymierna
Quiz
•
Mathematics
•
1st - 5th Grade
•
Practice Problem
•
Hard
Hanna Drabik
Used 51+ times
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dziedziną wyrażenia (x+2)/(x2-9) jest
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Do wykresu funkcji f(x)=a/x, należy punkt A=(2,6). Wtedy
a=2
a=12
a=6
a=8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wyrażenie x/(x-1) - 1/x, jest równe:
(x2 -x+1)/(x2 -x)
(x2 -x-1)/(x2 -x)
(x-1)/(x2 -x)
(x2 -x-1)/(x -1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rozwiązaniem równania
(3x-1)/(7x+1)=2/5
1
7/3
4/7
7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ile rozwiązań ma równanie (x2+25)/(x-5)=0
ma dokładnie trzy rozwiązania
ma dokładnie dwa rozwiązania
ma dokładnie jedno rozwiązanie
nie ma rozwiązań
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Po skróceniu ułamka (x3-3x2+6x-18)/(x2+3x-18) otrzymasz
(x2+6)/(x+6)
(x3+6)/3
(x3-3x2+6x)/(x2+3x)
(x3+5x-18)/(x2-18)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wiadomo, że dziedziną funkcji f określonej wzorem
f(x)=(x-7)/(2x+a) jest zbiór (-∞,2)υ(2,∞). Wówczas
-2
2
-4
4
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