Select the correct answer for how you would rationalize the denominator for 1/√3?

You would multiply top and bottom by to go from to

Multiplying a square root by itself is the same as squaring the value.

So,

Which is why we're able to get rid of the square root in the denominator. The square root and squaring operation effectively cancel each other out.

the answer will be

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3