simplifying square roots

simplifying square roots

simplifying expressions with radicals

This is called a radical sign.

When simplifying square roots, knowing your perfect squares is very important.

Fill in the Blank

 $\sqrt{64\ }$  

Fill in the Blank

 $\sqrt{36}$  

Fill in the Blank

 $\sqrt{144}$  

KEY POINTS TO REMEMBER

• You can on take PERFECT SQUARES out

• If it is NOT a perfect square leave it under the radical sign.

• 25 is a PERFECT SQUARE=5²

KEY POINTS TO REMEMBER.....

The 5 goes on the outside because the square root of 25=5. 3 stays inside the radical because it is not a perfect square.

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What perfect square can we take out of

 $\sqrt{8}$  ?

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What perfect square can we take out of

 $\sqrt{10}$  ?

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What is the perfect square that you can take out of

 $\sqrt{12}$  ?