schreckkatheri schreckkatheri

28-04-2015
Mathematics

Answered

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 :

28-04-2015

You can get the solution by just testing.
Let's start with A:
12*12=144
16*16=256

Now you know that A is the correct answer.

Answer Link

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