SOLUTION: ax2 + 6x + c = 0; two real solutions

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Question 1198787: ax2 + 6x + c = 0; two real solutions
Found 2 solutions by ikleyn, greenestamps:
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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Use the quadratic formula.

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On solving quadratic equations using the quadratic formula,  see the lessons
    - Introduction into Quadratic Equations
    - PROOF of quadratic formula by completing the square
in this site.



Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


Two real solutions means the discriminant b%5E2-4ac is greater than zero.

36-4ac%3E0
36%3E4ac
9%3Eac

Any values of a and c for which the product ac is less than 9 will give two real solutions.