The book wants me to use the Pythagorean Theorem (a^2+b^2=c^2) to get the correct answer. I never learned how to use the theorem when finding distance and have only used Distance Formula. I tried using the Distance Formula to get the correct answer and got a negative outcome. Can someone please explain how Pythagorean Theorem works or maybe tell me how to fix the Distance Formula so it doesn't give me a negative outcome.​

C) units

Step-by-step explanation:

The Pythagorean Theorem is where and are side lengths of a right triangle and is the hypotenuse, the longest side of the right triangle.

The distance formula is similar to that of the Pythagorean Theorem which is where and are the points that you wish to find the distance between them in an (x,y) coordinate plane.

Here, we are given that is and is . So, we can use the distance formula as described previously to find the positive distance between the two points:

Since all of the given answer choices are in radical form, then C is the correct answer. The distance between the two points is units.

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