Posted by Noah on Sunday, February 3, 2008 at 12:33pm.
Find all numbers for which the rational expression is undefined?
Can someone help me figure this out?
Algebra - drwls, Sunday, February 3, 2008 at 12:54pm
Is all of the 9w +7 supposed to be in the denominator, as in 3/(9w+7) ?
The expression is undefined when the denominator is zero.
Algebra - Noah, Sunday, February 3, 2008 at 1:10pm
yes the 9w+7 is in the denominator. so the answer is zero?