Think & Click: Review
Now, you try. Complete the Think & Click activity by looking at each problem below, thinking about it, and then clicking on the question to reveal the solution.
What are the two situations where using a counterexample may be the best choice?
When you are trying to prove a negative statement or that something continues infinitely.
How are counterexamples used in geometry?
A statement or theorem can be assumed true until a counterexample is found that shows that the statement or theorem is false.
Review Worksheet
Complete the review worksheet for this section before taking the quiz. Download the review worksheet, complete the questions, and then download the answer key to check your work. Make sure to ask your teacher any questions.