Find A intersection B.
A: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
B: {−2, −1, 1, 4, 7, 11}

A.{−2, −1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}

B.{1, 4, 7, 11}

C. {−2, −1, 1, 2, 3, 4, 5, 6}

D.{ }

Question

Find A intersection B.
A: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
B: {−2, −1, 1, 4, 7, 11}

A.{−2, −1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}

 B.{1, 4, 7, 11}

C. {−2, −1, 1, 2, 3, 4, 5, 6}

 D.{ }

cwrw238 · Answer

A intersection B  will contain common elements from A and B

accidentalaichan · Answer

So, in other words, it would be {1, 4, 7, 11}?
Union and Intersection confuse me a lot.

cwrw238 · Answer

u r right

cwrw238 · Answer

union means a set containing all elements in both sets  ( without duplicates)

accidentalaichan · Answer

Oh, okay. I get it now! 
and intersection means what integers they have in common, right?

cwrw238 · Answer

yea

accidentalaichan · Answer

Thanks so much for your help!

cwrw238 · Answer

no probs