Expanding the walls of our classroom. This is an interactive learning ecology for students and parents in our Algebra 2 class. This ongoing dialogue is as rich as YOU make it. Visit often and post your comments freely.
Vertical line test if a vertical line passes through more than one point of the graph. then the relation is not a function. A parabola is an example of a function because if you draw a line through the graph it doesnt go through more than one point.
http://www.mathwarehouse.com/algebra/relation/vertical-line-test.php
ReplyDeletethis website has practice problems if you still have trouble with the vertical line test