Examples of Math Problems
examples of math problems that I like, solved, etc.
Saturday, December 7, 2013
Find the excluded value(s) for the following expression : 4x/(x^2+x-6)
Rational expressions are defined whenever their denominators are real and non-zero, so...
x^2+x-6=(x+3)(x-2)=0
x=-3 or x=2
avoid {-3, 2}
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment