4) After solving a rational equation you must check your solutions in the original equation. Why? * To make sure the value does not make the numerator 0. O To make sure the value does not make the denominator 1. O To make sure the value does not make the numerator negative. To make sure the value does not make the denominator 0.
Answer: D) To make sure the value does not make the denominator 0.
We cannot divide by zero. Something like 1/0 is undefined. So it's important to check all potential solutions to make sure you don't get 0 in the denominator.