What causes a solution to a rational equation to be an extraneous solution?
a) when there is more than one solution, one of the solutions is extraneous.
b) if a solution results in zero when substituted into the denominator of the equation, the solution is extraneous.
c) if a solution results in a negative number when substituted into the denominator of the equation, the solution is extraneous.
d) when a solution is a fraction, the solution is extraneous.

Step-by-step explanation:

An extraneous solution is a solution that emerges from the problem, but it's not actually a solution because it doesn't make sense to the problem.

The best example of this is when we get a solution in a rational expression which becomes the denominator zero. That's an extraneous solution because it doesn't make sense, since the number zero can't divide a number.

Therefore, the right answer is B.

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Step-by-step explanation:

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