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goldfiish [28.3K]
2 years ago
6

For what value of x is the rational expression below undefined?(3x-12)/(9-x)

Mathematics
1 answer:
wolverine [178]2 years ago
8 0
When x=9 the expression is undefined.

That is because any number over 0 is undefined, including 0/0.
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Answer:

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Step-by-step explanation:

In order to compare the linear equations given, they need to be in the same form.  The best form in order to evaluate slope and y-intercept is slope-intercept form, y = mx + b.  Since the second equation is already in slope-intercept form, we need to use inverse operations to convert the first equation:

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