SOLUTION: A) Use the vertical ling test to determine whether the equation x=y^2-1 represents y as a function of x. B) if the graph fails, draw a vertical line on the graph which indicates th

Algebra ->  Linear-equations -> SOLUTION: A) Use the vertical ling test to determine whether the equation x=y^2-1 represents y as a function of x. B) if the graph fails, draw a vertical line on the graph which indicates th      Log On


   

Question 189645: A) Use the vertical ling test to determine whether the equation x=y^2-1 represents y as a function of x. B) if the graph fails, draw a vertical line on the graph which indicates the equation is NOT a function.
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
Graph of x=y^2-1 fails vert. line test. So x=y^2-1 is not a function

Ex: Draw a vertical line at x=1. Line passes through 2 points on graph