Question

Simplify

√128

Answer 1

Find the largest perfect square that goes into 128. Then take that number and the number you multiply it by to get 128 and square root both. The perfect square goes on the outside and non-perfect stays under the radical.

Answer 2

Basically, what is the largest perfect square that can go into 128?

Answer 3

62 x 2 ?

Answer 4

so itd be 4 √ 2 ?

Answer 5

Nope. 64 (perfect square) x 2 (non-perfect)
Now square root 64 and 2. what do you get?

Answer 6

should get 8 square root 2