thanks for the help in advance
directions find all of the square roots of each number. if the square root is irrational, round your answer to the nearest hundreth
For number 1 I wrote the square root of 36 is 6 and my math teacher marked me wronge. What am i doing wronge and what are the correct answers? Any help would be great
and so, absolute values do come into play.
square root both sides
note that is positive...ALWAYS. but on the left side of the equation, we have , which happens to be an alternative defintion of , so what we have is
and so, , since can be negative or positive, but the absolute value function will return the positive value