SOLUTION: How do I know which direction to shade the graph in? y>4x-1

Algebra ->  Inequalities -> SOLUTION: How do I know which direction to shade the graph in? y>4x-1       Log On


   



Question 76994: How do I know which direction to shade the graph in?
y>4x-1

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Plug in a test point (0,0) (the easiest to evaluate) and if the inequality is true, then we shade the region containing (0,0)
0%3E4%280%29-1
0%3E-1
Since this is true we shade in the region containing (0,0). Which happens to be above the line y=4x-1