Posted by **I NEED HELPPPP!*** on Tuesday, May 20, 2008 at 5:28pm.

CAN SOMEONE PLEASE HELPPP!? I NEED HELP IN ALGEBRA, SIMPLIFYING RADICALS! SIMPLIFY THE SQUARE ROOT OF 45a SQUARED!

- algebra -
**Sarah**, Tuesday, May 20, 2008 at 5:43pm
I believe the answer is 3a square root of 5a.

- algebra -
**Reiny**, Tuesday, May 20, 2008 at 5:50pm
√)45a^2)

=√9 * √5 * √a^2

= 3a√5

- algebra -
**Chris**, Tuesday, May 20, 2008 at 5:50pm
answer is actually : 3a square root of 5.

45a^2 simplied is 9a^2 x 5

square root of 9a^2 is 3a.

Square root of 5 is radical 5.

Squaring your answer would check to see if you have the correct answer.

Thus mine is the correct one. Sarah was close.

- algebra -
**I NEED HELPPPP!***, Tuesday, May 20, 2008 at 5:53pm
thank you sarah reiny and chris !

## Answer This Question

## Related Questions

- Math simplifying mixed radicals - Please help me simplify these following mixed ...
- Math simplifying mixed radicals - Please help me simplify these following mixed...
- simplifying radicals - helo! i know how to simplify radicals but.. I don't get ...
- Algebra 2 - could you walk me thorugh these problems simplfy square root 18 - 3 ...
- Algebra 1B - I really need help with this but I'm not sure if I'm going to put ...
- algebra 2 - im studying radicals and im having trouble....i need help on this ...
- 8th Grade Algebra:Radicals - { this means means square root How do you solve ...
- Math - I need help simplifying radicals. The problem in priticular is the square...
- Algebra - I am a bit confused about conjugates in algebra. I am supposed to ...
- Algebra (urgent!) - I am a bit confused about conjugates in algebra. I am ...

More Related Questions