Im told to graph y=√x-2, does that mean √x-2 or √(x-2)?

Answer 1

Is the square root sign drawn with a line over it? If so, wherever the line stops tells you which terms are under the square root sign.

If there is no line drawn with the square root, then I would assume you are graphing y = sqrt(x) - 2

Answer 2

The way you have written y=√x-2, I would say the former, but we can't tell exactly unless we see the original material you are working from. Usually, the radical sign has a top line that extends over all of the elements that are included. So if on your original material, the radical sign includes the -2, then you would graph √(x-2) If it does not, then you graph √(x) - 2.

Answer 3

unfortunately the computer square root sign does not convey the information from your textbook, so you should have enclosed whatever was under to square root sign in parentheses. You should understand that you are taking the square root of whatever is underneath the horizontal line above the term. Hopefully the term would also be enclosed in parentheses. I'd work it out both ways and note you didn't understand the problem so your teacher can look at the intended one.

Answer 4

Can't tell exactly by the question. Are you in the section with horizontal translations? is so, (x-2) ......if vertical translations, try other.
The square root sign is a bit vague.
Also, if the square root sign goes all over x-2 , then it's square root(x-2)

Answer 5

It would mean the first, square root of x, minus 2. Look up a list of precedence of operators.

Answer 6

depends, is the sqrt over both the x and -2 or just the x

y = sqrt(x - 2)

for a graph, go to http://www.calculator.com/calcs/GCalc.html

type in sqrt(x - 2), click enter, then type in -sqrt(x - 2)

Answer 7

As your teacher not applying bracket, so square-root apply only at x.