Team 1
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Team 2
0
Teams
Name
Score
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15
×
Which one is a finite set?
set of natural numbers
set of integers less than 86
Set of five digit numbers
set of prime numbers
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15
×
write using symbol "Square of some real numbers is positive."
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×
seesaw
Swap points!
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gift
Win 10 points!
Okay!
×
rocket
Go to first place!
Okay!
×
thief
Give points!
5
10
15
20
25
×
trap
No points!
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fairy
Take points!
5
10
15
20
25
×
shark
Other team loses 15 points!
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thief
Give points!
5
10
15
20
25
15
×
find A union B
1,2,3,4,5,6,7
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baam
Lose 10 points!
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shark
Other team loses 20 points!
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×
rocket
Go to first place!
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thief
Give points!
5
10
15
20
25
15
×
Given A = {1, 2, 5} and n(B) = 4, find the number of the elements of A x B.
12
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15
×
If a set A with n elements has 63 proper subsets, find n
6
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15
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If A x B = {(a, 1), (a, 3), (a, 5), (b, 1), (b, 3), (b, 5)}.then write A
a,b
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15
×
What is y if (x â y, 6 + 3x) = (4, 15)?
-1
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15
×
Let A = {1, 2, 3} find n(AXA)
9
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baam
Lose 25 points!
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seesaw
Swap points!
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×
rocket
Go to first place!
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banana
Go to last place!
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15
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Let A = {1, 2, 3} and B = {x, y}. Find n(AXB)
6
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15
×
If (x â 1, y + 2) = (y + 3, 5), find x.
7
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15
×
find B
3,6,7,5,4
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15
×
If A=(4,8,12,16, ... , 80,84) what is n(A)?
24
20
18
21
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