SOLUTION: I been working on these problems and I still having a problem with the answers. Please Help! Problem 1. 9/r-8/9/r+8 Problem 2.r^2-4/r^2-4r+4 Problem 3. 10/y-5/10/(y-5)^2 Problem
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Question 192959: I been working on these problems and I still having a problem with the answers. Please Help! Problem 1. 9/r-8/9/r+8 Problem 2.r^2-4/r^2-4r+4 Problem 3. 10/y-5/10/(y-5)^2 Problem 4.Find all numbers for which the radional expression is undefined.2/v-5
Found 2 solutions by jim_thompson5910, Alan3354:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'll do the first two to get you headed in the right direction
Start with the given expression.
Multiply the first upper fraction by the reciprocal of the second lower fraction.
Combine the fractions.
Highlight the common terms.
Cancel out the common terms.
Simplify
So where or
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# 2
Start with the given expression
Factor the numerator
Factor the denominator
Highlight the common terms.
Cancel out the common terms.
Simplify
So where
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If a problem is ambiguous, not clearly stated, it is on the site for a LONG LONG time. It is likely to become one of the group that eventually gets pushed out the bottom.
Use some parentheses and try again.
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