ginny1029

05-19-2009, 10:41 PM

first how do i get the square root symbol

second

i am down to

the square root of 90a

over

45 (no square root)

how do i reduce that

i can see factoring out 9 from each number but that would leave

the square root of 10a

over

5

and the book wants the square root of 10a

over

15

second

i am down to

the square root of 90a

over

45 (no square root)

how do i reduce that

i can see factoring out 9 from each number but that would leave

the square root of 10a

over

5

and the book wants the square root of 10a

over

15