Posted by **Micah** on Monday, February 25, 2008 at 7:43pm.

Find the following. Assume that variables can represent any real number.

SqRt(a+8)^2=

8a^2?

- Algebra -
**drwls**, Monday, February 25, 2008 at 8:05pm
sqrt[(a+8)^2] = a+8 or -a-8

- Algebra -
**Christiaan**, Monday, February 25, 2008 at 8:08pm
No, when we take the sqrt of a squared term, we get that term, or its negative.

So, sqrt(x²)=x or sqrt(x²)=-x

So for this question we get that:

sqrt((a+8)²)=a+8 or sqrt((a+8)²)=-a-8

## Answer This Question

## Related Questions

- algebra,math,help - Use Property 2 to simplify each of the following radical ...
- Math - Find the following. Assume the variables can represent any real number...
- math,correction - the problem reads: evaluate sqrt (-4) if possible. my answer: ...
- algebra - this is what they want and im confused can any one explain it Rewrite ...
- Algebra - Solve the formula for the given variable. Assume all variables ...
- algebra - Simplify the expression. Assume all variables represent nonzero real ...
- algebra - Simplify each expression. Assume all variables represent nonzero real ...
- Algebra - 4ã(50x)+3ã(2x)+ã(72x) Combine. Assume that all variables represent ...
- algebra repost - Simplify each expression. Assume all variables represent ...
- algebra - Simplify each radical expression. Assume all variables represent ...

More Related Questions