Question

How you would find the exact value of 3/ √8.

Answer 1

exact?

Answer 2

with no calculators??

Answer 3

I think calculators are allowed:)

Answer 4

oh then plug it in the calculator :p

Answer 5

I have to explain how to do it and thats my problem:/

Answer 6

a calculator wont give an exact result

Answer 7

rationalize the denominator

Answer 8

rationalize

@amistre64 it wont?

Answer 9

3/sqrt(8) IS an exact result ... might not be simplified, but its exact

Answer 10

oh..oh yeah irrational :/

Answer 11

Then what i need help is to simplify it

Answer 12

rationalize...you know how?

Answer 13

multiply the denominator by itself. then find the square root...so would it be 3/ 8 im confused

Answer 14

im blank

Answer 15

no no...multiply the denominator AND numerator by \(\sqrt 8\)

Answer 16

Oh yeah!! so 3 √8 over 8?

Answer 17

yup

Answer 18

Thanks so much!!