Question

find the following assume variable can be repersented by any real numbers.

Sqrt (a+9)^2

Answer 1

\[\large \sqrt{(a+9)^2}=|a+9|\]

Answer 2

the sqrt and the ^2 would cancel out, so it would be the absolute value of a + 9

Answer 3

thank you

Answer 4

This is using the idea that \[\large \sqrt{x^2}=|x|\]