SOLUTION: please help me graph x^2+3x=18

Question 142111: please help me graph x^2+3x=18
Answer by nabla(475) (Show Source): You can put this solution on YOUR website!
To graph a quadratic equation, it is first instructive to solve it; find its zeros:

Gives x=-6 or x=3.
(Check: 36-18=18; 18=18 correct; 9+9=18; 18=18 correct)
Now, those two values give you x-intercepts to a function f(x)=x^2+3x-18.
The function's graph is as follows:

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