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$$a, b , c$$ are positive integers. the equation $$ax^2+bx+c=0$$ has one root in $$(-1, 0)$$ and other root in $$(0, 1)$$. If the least value of $$a+c$$ is $$b+k$$, then $$k$$ must be equal to

4 years, 6 months ago

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At least show us what you have tried.

For a start, consider the graph of the given quadratic. Is the value of f(-1) and f(1) positive or negative?

- 4 years, 6 months ago

0 ?

- 4 years, 6 months ago