1 Answer

square root of 80 =

Find a perfect square of 80 > 16 x 5 = 80

square root of 16 x 5 >  square root of 16 square root of 5

Answer: 4, root 5

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Example:

• <font size="2" color="green" face="Arial">Simplify </font>

<font size="2" color="black" face="Arial"></font>

<font size="2" color="black" face="Arial">This answer is pronounced as "five, root three". It is proper form to put the radical at the end of the expression. Not only is "" non-standard, it is very hard to read, especially when hand-written. And write neatly, because "" is not the same as "".</font>

<font size="2" color="black" face="Arial">You don't have to </font><font size="2" face="Arial">factor</font><font size="2" color="black" face="Arial"> the radicand all the way down to prime numbers when simplifying. As soon as you see a pair of factors or a perfect square, you've gone far enough.</font>