Explore - Vertical Line Test
Use the checkboxes to show the graphs one at a time. Each graph will have a point that you can drag to perform a vertical line test. A graph shows a function if the vertical line never passes through two points at once on the graph. 1. Which graphs are functions? 2. One checkbox displays the equation y = x to the nth power. Change the value of n. a. What happens when n is a positive even number? b. What happens when n is a positive odd number? c. What happens when n is a negative even number? d. What happens when n is a negative odd number? 3. In this interactive, what do all of the related that are not functions have in common?