SOLUTION: 11. Write a quadratic equation with roots of 2/3 and -4/5 in the form ax^2+bx+c=0, where a, b, and c are integers. Thanks

Question 197850: 11. Write a quadratic equation with roots of 2/3 and -4/5 in the form ax^2+bx+c=0, where a, b, and c are integers.
Thanks
Found 2 solutions by Mathtut, solver91311:
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
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Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

If the roots of a quadratic equation are and , then the factors of the quadratic polynomial must be:

, therefore:

You have:

and

so you can say:

Expand the binomials using FOIL and you have it.

John

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