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Look at the graph above and comment on the sign of D or the discriminant. Form the quadratic equation based on the information provided and find its solution.

(-1,0) (-0.16,-2) (0.67,0) use y=ax^2+ b+c also

But if we know the roots x1 and x2 of a quadratic equation, we can write the equation in a completely equivalent form as

(x - x1)(x - x2) = 0

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