
Równania i nierówności roz
Quiz
•
Mathematics
•
9th Grade
•
Hard
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9 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rozwiąż równanie:
|x+4|=10
x=6 ∨ x=−14
x=8 ∨ x=14
x=8 ∨ x=−14
x=6 ∨ x=−10
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rozwiąż równanie
||x+2|−7|=5
x=10 lub x=−14 lub x=0 lub x=−4
x=10 lub x=0 lub x=-3 x=−4
x=-10 lub x=14 lub x=0 lub x=−3
x=12 lub x=−14 lub x=0 lub x=−-3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rozwiąż równanie
|x−3|+|x+5|=10
x ∈ {-6,4}
x ∈ {4}
x ∈ {-5,6}
x ∈ {2,11}
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rozwiązaniem równania|-2x - 3| = 5
są liczby:
x = -4 lub x = 1
x = -2 lub x = 1
x = -2 lub x = 1
x = -4 lub x = -1
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Zbiór rozwiązań nierówności
|x-3|<2 zostałby zaznaczony na osi przedziałem
x ∈ (-5:5)
x ∈ (-5:5>
x ∈ (1:5)
x ∈ <1:5)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Przedziałem opisującym zbiór rozwiązań nierówności |x - 5| >3 jest zbiór:
x ∈ (-∞,2) ∪ (8,∞)
x ∈ (-∞,-2> ∪ <8,∞)
x ∈ (-2,8)
x ∈ <2,8>
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rozwiązaniem równia
||2x -1| +3|x| + |3x-3||=6jest liczba :
x=-5/2
x=-2/5
x=3/2
x=1/2
8.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Wyznacz dla jakich wartości parametru p równanie |x+7|+|x-3|=p ma dokładnie dwa rozwiązania?
(-n, -7> ⋃ <3, +n)
(-n,9>
(-n, -5> ⋃ <2, +n)
(-n, -8> ⋃ <1, +n)
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nierówność |3x+6|+x-2|≤8 ma rozwiązani dla x z przedziału?
x ∈ <-3,-2> ∪ (-2,0)
x ∈ <3,-2>
x ∈ <-3,1> ∪ (-2,0)
x ∈ (-2,0)
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