Question

Find A ∩ B if A = {3, 6, 9, 12} and B = {2, 4, 6, 8, 10, 12}.

Ø
{6, 12}
{2, 3, 4, 6, 8, 9, 10, 12}

Answer 1

A ∩ B means we want the numbers that show up in BOTH lists

Answer 2

so last one?

Answer 3

uh, let me rephrase that

Answer 4

we want the numbers that are included in both list A and list B

Answer 5

oh ok thanks:)

Answer 6

example: the number 6 shows up in A and B, so 6 is part of A ∩ B

Answer 7

the last one isn't the answer

Answer 8

the middle one is:) thanks

Answer 9

ok good, glad I cleared that up ;-: