SOLUTION: Please help me graph and showing the steps to this equation {{{ x^2+7x+9=0 }}}

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Please help me graph and showing the steps to this equation {{{ x^2+7x+9=0 }}}      Log On


   

Question 38286: Please help me graph and showing the steps to this equation +x%5E2%2B7x%2B9=0+
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+x%5E2%2B7x%2B9=0+
this is in the form
ax^2 + bx + c = 0
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
this will find the roots at the points (r(1), 0) and (r(2),0)
x+=+%28-7+%2B-+sqrt%28+7%5E2-4%2A1%2A9+%29%29%2F%282%2A1%29+
x+=+%28-7+%2B-+sqrt%28+13+%29%29%2F2+
+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+x%5E2+%2B+7x+%2B+9%29+