Determine whether the equation is linear in x. 2√x+5=10

Question

psymon · Answer

So if its linear in x, this means the power of x in the equation is 1.

psymon · Answer

Oh, you were one of the students I told to sign up on here, haha.

anonymous · Answer

I'm guessing I am really confused about how to determine if the equation is linear
and yes haha

psymon · Answer

Well, it solely depends on the power of x in the equation:

|dw:1378098880079:dw|

Thats pretty much all there is to it. If the power of x in the equation is anything but a power of 1, it is not linear.

anonymous · Answer

Also the only radicand is the x not x+5 I should have typed it different

anonymous · Answer

Can you give me an example?

psymon · Answer

Doesnt matter at all:

|dw:1378099014693:dw|

Still not a straight line shape.