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15 radical 2
factor the 18. 18=2x3x3. Take out the 3 because it is squared. 5x3 radical 2=15radical2
3√2
3√2
3 times the sqrt 2
2 radical 2
15 radical 2
The SQRT(18) in radical form is 3*SQRT(2), where SQRT represents the radical symbol.
factor the 18. 18=2x3x3. Take out the 3 because it is squared. 5x3 radical 2=15radical2
3√2
3√2
3 times the square root of 2
The concept of a factor makes proper sense only in the context of integers. Otherwise, any non-zero number can be factor of any other number. For example, radical 7 is a factor of radical 18 since radical(180) = radical(7) * radical (18/7)
3*SQRT(2)
3*SQRT(2)
√18
3 times the sqrt 2