Question

What are the square roots of 144 over 256 ?

A.
minus 12 over 16 and 12 over 16

B.
minus 12 over 18 and 12 over 18

C.
minus 9 over 16 and 9 over 16

D.
minus 72 over 128 and 72 over 128

Answer 1

so it is easy


`\sqrt{(x)/(y)}= ( √(x) )/( √(y) )`

so

`\sqrt{(144)/(256)}= ( √(144) )/( √(256) )`=

`(12)/(16)` or
`(-12)/(-16)`

the answer is A