SOLUTION: Find the solutions of {{{y=x^2+3x+2}}} by using the graph

Algebra ->  Graphs -> SOLUTION: Find the solutions of {{{y=x^2+3x+2}}} by using the graph      Log On


   

Question 135513: Find the solutions of y=x%5E2%2B3x%2B2 by using the graph
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Here's the graph of y=x%5E2%2B3x%2B2


+graph%28+500%2C+500%2C+-10%2C+10%2C+-10%2C+10%2C+x%5E2%2B3x%2B2%29+


From the graph, we can see that the graph crosses the x-axis at x=-2 and x=-1


So the solutions are x=-2 and x=-1