SOLUTION: help me with this question. the directions are slove each equation by graphing. If integral roots cannot be found, estimate the roots by stating the consecutive integers between wh

Question 416358: help me with this question. the directions are slove each equation by graphing. If integral roots cannot be found, estimate the roots by stating the consecutive integers between which the roots lie. The question is X^2 + 7x + 9.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I would use the fact that the minimum on the graph is at
when the form is , so min =
The roots will be on either side of this. You can try
(1) and.
Then try
(2) and ,
next
(3) and
-----------------------
Here's the graph:

You can see that will change sign when you go
from choice (2) to choice (3) above
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