aminita
If A = {positive integers} and B = {…,−4, −3, −2, −1} what is A ∩ B?



This Question is Closed

stgreen
Best Response
You've already chosen the best response.
2
empty set

hartnn
Best Response
You've already chosen the best response.
1
∩ means elements which are "common" to those sets.

hartnn
Best Response
You've already chosen the best response.
1
which elements are common to A and B ?

inkyvoyd
Best Response
You've already chosen the best response.
1
∩ is called the intersection. Think of it as the center of a venn diagram.

aminita
Best Response
You've already chosen the best response.
0
the options they give me are... { }
{…, −3, −2, −1, 1, 2, 3, …}
{1, 2, 3, 4, …}
{…−3, −2, −1}

inkyvoyd
Best Response
You've already chosen the best response.
1
Look at what hartnn and I have said. What do you think the answer is?

stgreen
Best Response
You've already chosen the best response.
2
@aminita first one is true....since there is nothing common between these two sets you see

aminita
Best Response
You've already chosen the best response.
0
yes that is the answer choice i picked but it said it was wrong...

aminita
Best Response
You've already chosen the best response.
0
there are no common integers that will fit within bity of these sets that is why i picked it but my teacher marked it wrong :/

inkyvoyd
Best Response
You've already chosen the best response.
1
take a screenshot of the problem and contact your teacher.

stgreen
Best Response
You've already chosen the best response.
2
yeah your teacher is just violating the very basic concept of sets

aminita
Best Response
You've already chosen the best response.
0
okay thank you all for your help peeps!;)

stgreen
Best Response
You've already chosen the best response.
2
welcom kid

aminita
Best Response
You've already chosen the best response.
0
(y)