Question

If x^2=K where X and K are integers, which of the following could be the value of k
A)3
B)6
C)9
D)12
e)15

Answer 1

I need this explained desperately

Answer 2

If x and k are integers, then k must be a perfect square.

Answer 3

What are the perfect squares?

Answer 4

okay
4 9 16

Answer 5

so its 3?

Answer 6

you nailed it

Answer 7

oh wait, they want k not x

Answer 8

so it can't be 3

Answer 9

yeah

Answer 10

so its C

Answer 11

9

Answer 12

becuase if they need a perfect square then 3^2 is 9 and well 9 is the only perfect square. I think thats right

Answer 13

you are correct

Answer 14

thanks but can you explain to me how I got that becuase I pulled that out of thin air based on what you said about the perfect square thing