Question

Which statement is true about the difference (screenshot below)

Answer 1

\[\sqrt{28}=\sqrt{4\times 7}=\sqrt4\sqrt7=2\sqrt7\] so
\[2\sqrt7-2\sqrt7=0\] which IS rational

Answer 2

that was an easy one!

Answer 3

omg u r so smart :P

Answer 4

i have a question though, what is a sparkestara?

Answer 5

\[\color{magenta}\heartsuit\]

Answer 6

wrote a message to u about it @misty1212