Trying to figure out how to find all numbers for which the rational expression is undefined.
Is the answer -5/2 or -10/9?
I made a mistake in my typing when I asked the question earlier.
Algebra - Reiny, Monday, June 16, 2008 at 11:02pm
9/(2z+5) is undefined when z = -5/2
the way you typed it
9/2z+5 is undefined if z = 0