SOLUTION: Write a quadratic function f whose zeros are 1 and −9

Question 1117423: Write a quadratic function f whose zeros are 1 and −9

Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
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The simplest such function is  

    f(x) = (x-1)*(x-(-9)),             (1)


the product of two binomials  (x-1)  and  (x-(-1)), associated with the roots.


Right side (1) can be simplified

    f(x) = (x-1)*(x+9).                (2)

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SOLUTION: Write a quadratic function f whose zeros are 1 and &#8722;9

SOLUTION: Write a quadratic function f whose zeros are 1 and −9