Numbo the maths kitten
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Maths with Numbo
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Ordered Pairs and the Cartesian Product
4
questions
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Choose the best answer
1
Is (2,3) the same as (3,2)?
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A
No, they are different
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B
Yes, they are the same
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2
If A={1,2} and B={x,y}, how many ordered pairs are in A×B?
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A
4
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B
2
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3
If A has 3 members and B has 5 members, how many ordered pairs are in A×B?
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A
15
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B
8
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4
What is the Cartesian product?
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A
The set of all ordered pairs from two sets
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B
The sum of members in two sets
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