Question

Which of these is not a rational number?
square root of 1, 9, 10, or 4?
Help please.

Answer 1

Take the square root of 1, what do you get?

Answer 2

Umm, 1?

Answer 3

good, so \[\Large \sqrt{1}\] is rational

Answer 4

this is because the result is a whole number

Answer 5

Thank you for helping!

Answer 6

do the same with the other numbers, if you get a decimal answer (that goes on forever), then the number isn't rational

Answer 7

\[\sqrt{10}= 3.16 \] so its not rational

Answer 8

kay. Thanks.