schreckkatheri
Answered

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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

Sagot :

apologiabiology
so it is easy

[tex] \sqrt{\frac{x}{y}}= \frac{ \sqrt{x} }{ \sqrt{y} } [/tex]

so
[tex] \sqrt{\frac{144}{256}}= \frac{ \sqrt{144} }{ \sqrt{256} } [/tex]=
[tex] \frac{12}{16} [/tex] or [tex] \frac{-12}{-16} [/tex]

the answer is A
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