Precalculus : Find the Distance Between a Point and a Line

Study concepts, example questions & explanations for Precalculus

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Example Questions

Example Question #11 : Coordinate Geometry

Find the distance between and the point

Possible Answers:

Correct answer:

Explanation:

To find the distance, use the formula where the point is and the line is

First, we'll re-write the equation  in this form to identify , , and :

subtract from and add  to both sides

 multiply both sides by 

 Now we see that . Plugging these plus  into the formula, we get:

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