1. Lesson 4

1.5. Explore

Mathematics 20-1 Module 5

Module 5: Radicals


Explore

 

This photo shows skid marks on a mountain road.

iStockphoto/Thinkstock

 

When there has been an accident, police investigators photograph and measure the length of skid marks to help determine what happened. They use equations containing radicals in their calculations to find the speed of the vehicles involved.


glossary

Here are some of the words you will want to define in Module 5 Glossary Terms in this lesson:

  • extraneous roots
  • radical equations