Which represents all the values of x that make the rational expression 2x-4 over x-5 undefined?

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asked Jul 13, 2018 100k views

2 Answers

Carl Reid · Answer 1 · 2018-07-17T21:23:35+0000

A fraction is undefined when the denominator equals 0 so we do this:

x-5≥0
x≥5

This tells us that any number less than 5 will make the fraction undefined

Which represents all the values of x that make the rational expression 2x-4 over x-5 undefined?

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