math
8th Grade - Square roots

8th Grade lesson

5 - Square roots


 square root of a number

If you use your calculator, you can notice that  square root of 6 and that  square root. In fact,  square root and generally speaking :  square root. This property is not working with additions, you can check with your calculator that : square root and that square root. Both do not give the same result.

So :

square root
square root
square root

Therefore, you can reduce the number with its square root. You agree that sum of square roots (3 things plus 5 things, it makes 8 things). So, you are able to solve the following great problem : writing with only one square root the numbers E and F.

square root problem square root problem




>>> Lesson about system of linear equations >>>


Square roots

lesson, problems