Question

Which numbers in Set A = {–7, –4, 2, 14, 21, 34, 42} are elements of both Set B and Set C, shown below?
Set B = {even numbers}
Set C = {multiples of 7}

–7

 

–4

 

2

 

14

 

21

 

34

 

42

Answer 1

[14,42] is your answer

14 is an even number

7 x 2 = 14

42 is an even number

7 x 6 = 42

hope this helps