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

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

You would need a laid out graph for this but could you provide a picture of just a graph? i can give stepssolve for y.subtract 4xdivide by -1 (opposites)graph slope intercept formcheck each point to see if it’s on the graph